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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ุขู† ู…ูˆุถูˆุนู†ุง ู…ุง ุฒุงู„ ููŠ
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ุงู„ุทุฑู‚ ุงู„ุนุงู…ุฉ ููŠ ุชุญุถูŠุฑ ุงู„ู€ heterocyclic rings
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ุงู„ุนู†ูˆุงู† ุงู„ุนุงู… electrocyclic reactions ู„ูˆ ุจุฏู†ุง ู†ุชุนุฑู
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ุฅูŠุด ู…ุนู†ุงู‡ ุงู„ู€ electrocyclic reactions ู„ุงุญุธูˆุง ู‡ู†ุง ู…ู†
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ุงู„ุชุนุฑูŠู ุงู„ู„ูŠ ุฃู…ุงู… ุฃุนูŠู†ูƒู… ุงู„ู€ electrocyclic
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reactions ุงู„ู„ูŠ ุจุชุชู… ููŠู‡ุง formation of a sigma bond
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at the termini of a fully conjugated pi system by
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heat or light ูŠุนู†ูŠ ุจุฏู‡ุง ูŠูƒูˆู† ููŠ ุนู†ุฏูŠ ู†ุธุงู…
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conjugated by electrons
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double bond .. single bond .. double bond ..
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single bond ุฃูˆ ู…ู…ูƒู† ุจุฏู„ ุงู„ู€ double bond ุจุงู„ู…ู†ุงุณุจุฉ
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ุจุงู„ู€ conjugation ูŠูƒูˆู† ุนู†ุฏู†ุง pi electrons ูŠุนู†ูŠ ู‡ุฐู‡
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ุงู„ู†ู‚ุทุฉ ุฃุฑุฌูˆ ุฃู†ู‡ุง ุชูƒูˆู† ูˆุงุถุญุฉ ุนู†ุฏูƒู… ุฃู†ู‡ ู…ุด ุฏุงุฆู…ุงู‹ ุงู„ู€
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conjugation ุนุจุงุฑุฉ ุนู† pi bonds ู„ุฃ ู…ู…ูƒู† ูŠูƒูˆู† lone
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pair of electrons ูŠุนู†ูŠ ู…ุซู„ุงู‹ ุฎู„ูŠู†ุง ุดูˆูŠุฉ ุตุบูŠุฑุฉ ู†ุฎุฑุฌ
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ุนู† ุงู„ู…ูˆุถูˆุน ู„ูƒู† ู†ุจู‚ู‰ ููŠ ุงู„ุตู…ูŠู… ูŠุนู†ูŠ ู„ู…ุง ุชู‚ูˆู„ูˆุง
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ุงุชูƒู„ู…ู†ุง ุนู† ุงู„ุจู†ุฒูŠู† ุฃูˆ ู„ู…ุง ู…ุฑุฉ ุณุงุจู‚ุฉ ุงุชูƒู„ู…ู†ุง ุนู†
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ุงู„ุจู†ุฒูŠู† ู‚ู„ู†ุง ู‡ุฐุง ุงู„ุจู†ุฒูŠู† aromatic ู„ุฃู†ู‡ ููŠู‡ ุณุชุฉ pi
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electrons ูˆ conjugated ูŠุนู†ูŠ ู‡ูŠ ุนู†ุฏูŠ double single
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double single double okay ุงู„ุขู† ู„ูˆ ุฃู†ุง ุฃุฌูŠุช ุนู„ู‰
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ู…ุฑูƒุจ ุฒูŠ ุงู„ู€ pyrrole ู‡ู„ ูŠุง ุชุฑู‰ ุงู„ู€ pyrrole ู‡ุฐุง
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aromatic ูˆู„ุง ู„ุฃุŸ ุงู„ุขู† ููŠ ุงู„ู€ pyrrole ุจุฑุถู‡ ุจู‚ูˆู„ ุงู„ู€
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pyrrole aromatic ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุงู„ู„ูŠ ู‡ู†ุง ุนู„ู‰ ุงู„ู€
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nitrogen ุจุฑุถู‡ ู…ู…ุซู„ pi electrons ูˆุจุงู„ุชุงู„ูŠ ู‡ู†ุง ุฃู†ุง
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ุจู‚ูˆู„ pi single pi single pi single ุจุญู„ู‚ุฉ ู…ุฌู…ูˆุน ุงู„ู€
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pi electrons ููŠ ุงู„ู€ pyrrole ู‡ู†ุง ุณุชุฉ ูˆุงุจู„ ู…ุฌู…ูˆุน ุงู„ู€ pi
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electrons ููŠ ุงู„ู€ pyrrole ู‡ู†ุง ุณุชุฉ ูˆู„ุฐู„ูƒ ู‡ุฐุง ุฒูˆุฌ
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ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุงู„ู„ูŠ ุนู„ู‰ ุงู„ู€ nitrogen ู‡ูˆ ุฌุฒุก ู…ู† ุงู„ู€
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aromatic system ูŠุนู†ูŠ ู„ู…ุง ุจู†ู‚ูˆู„ ุฃู† ุงุญู†ุง ุฃู† ู‡ุฏูˆู„
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ูƒู„ู‡ู… ู…ุน ุจุนุถ ุนุงู…ู„ูŠู† ุงู„ู€ aromatic electrons ูƒุฐู„ูƒ
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ุงู„ุญุงู„ ู‡ู†ุง ููŠ ุงู„ู€ pyrrole ู‡ุฐุง ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุฌุฒุก ู…ู†
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ุงู„ู€ aromatic system ูุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ูŠุนุชุจุฑ pi
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electrons ูˆุจูŠุฎู„ูŠ ุงู„ู…ุฑูƒุจ ูŠูƒูˆู† ุฅูŠุดุŸ aromatic ูŠู…ูƒู† ู‡ุฐุง
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ุงู„ูƒู„ุงู… ู…ู† ุจุงุจ ุฃู†ู‡ ู…ุฑุงุช ุงู„ูƒู„ุงู… ุจูŠุฌูŠุจ ุจุนุถู‡ ุจุฑุถู‡
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ูŠู†ุจู‡ู†ุง ู„ู†ู‚ุทุฉ ุซุงู†ูŠุฉ ูˆู‡ุฐู‡ ุดูŠุก ูŠุนู†ูŠ ู…ุชุนุงุฑู ุนู„ูŠู‡ ููŠ ุงู„ู€
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heterocycle chemistry ุดูŠุก ู…ุชุนุงุฑู ุนู„ูŠู‡ ููŠ ุงู„ู€
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heterocycle chemistry ุฃู†ู‡ ู„ูˆ ุฑุณู…ู†ุง ุงู„ู€ pyrrole ู…ุฑุฉ
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00:03:01,690 --> 00:03:09,230
ุซุงู†ูŠุฉ ูˆุฌุฑุจู†ุง ู†ุฑุณู… ู…ุน ุงู„ู€ pyrrole ุงู„ุจูŠุฑูŠุฏูŠู† ุชู…ุงู…ุŸ ุงู„ุขู†
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ุงู„ุจูŠุฑูŠุฏูŠู† ู‡ูŠ ุงู„ุดูƒู„ ุชุจุนู‡ ูˆููŠู‡ุง ุฒูˆุฌ ุฅู„ูƒุชุฑูˆู†ุงุช ู„ุงุญุธูˆุง
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00:03:16,550 --> 00:03:21,130
ู…ุนุงู‡ ุฃู† ุงู„ุจูŠุฑูŠุฏูŠู† ููŠู‡ ู†ูŠุชุฑูˆุฌูŠู† ููŠู‡ุง ุฒูˆุฌ ุฅู„ูƒุชุฑูˆู†ุงุช
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ูˆุงู„ุจูŠุฑูˆู„ ููŠู‡ ู†ูŠุชุฑูˆุฌูŠู† ุจุฑุถู‡ ุชุญู…ู„ ุฒูˆุฌ ู…ู† ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช
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ู„ูƒู† ูุฑู‚ ุงู„ุฃุฑุถ ุนู† ุงู„ุณู…ุงุก ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุชุจุน
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ุงู„ุจูŠุฑูŠุฏูŠู† ุนู† ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุชุจุน ุงู„ู€ pyrrole ู„ูŠุดุŸ ุฒูˆุฌ
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ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุชุจุน ุงู„ู€ pyrrole ู‡ูˆ ุฌุฒุก ู…ู† ุงู„ู€ aromatic
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system ู…ุด ุฌุงู‡ุฒ ูŠุทู„ุน ุจุฑุง ู‡ูˆ ุฌุฒุก ู…ู† ู‡ุฐุง ุงู„ู€ system
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ูˆุงุถุญุŸ ุงู„ุขู† ุงู„ู€ aromatic system ู‡ู†ุง ู…ูƒุชู…ู„ ุจุงู„ู€ pi bonds
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ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุจุฑุง ุงู„ู€ aromatic system ูˆู„ุฐู„ูƒ ู„ูˆ
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ุจุฏุฃู†ุง ู†ู‚ูˆู„ mean base ูŠุนู†ูŠ ูŠู…ู„ูƒ ุฒูˆุฌ ุฅู„ูƒุชุฑูˆู†ุงุช ู‚ุงุจู„
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ู„ู„ุฅุนุทุงุก ุฃูƒุชุฑ ุงู„ู€ pyridine ูˆู„ุง ุงู„ู€ pyrrole ุงู„ู€ pyridine
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is more basic than pyrrole because the pair of
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electrons in pyridine is not a part of the
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aromatic system ูŠุนู†ูŠ ุงู„ู€ pair of electrons ููŠ ุงู„ู€ pyrrole
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ู‡ูˆ ุฌุฒุก ู…ู† ุงู„ู€ aromatic system ุงู„ู€ pair of
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electrons ููŠ ุงู„ู€ pyridine ุจุฑุง ุงู„ู€ aromatic system
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ูุฌุงู‡ุฒ ุงู„ู€ pyridine ุฃู† ูŠุดุชุบู„ ุงู„ู€ base ูˆู„ุฐู„ูƒ ู„ู…ุง ุจู†ุฐูƒุฑ
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ุงู„ู€ organic bases ู…ุฑุงุช ูƒุซูŠุฑ ุจู†ู‚ูˆู„ ุญุทูˆุง pyridine ุฃูˆ
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try it ููŠ ุงู„ุฃู…ูŠู† ุจุงู„ุฐุงุช ู„ู…ุง ู…ุฑุงุช ุจุชุนู…ู„ูˆุง ุชูุงุนู„ุงุช
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ููŠ ุงู„ู€ inorganic chemistry lab ุจุชู„ุงู‚ูˆุง ุจุชุณุชุฎุฏู…ูˆุง
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ุงู„ู€ pyridine ูƒ weak organic base ู„ูƒู† ุงู„ู€ pyrrole ู„ุฃ
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ูุงู„ุฎู„ุงุตุฉ ู„ู…ุง ุฃู†ุง ุจุฃุญูƒูŠ ุฃู†ู‡ ููŠ ุนู†ุฏูŠ fully
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conjugated system ูŠุนู†ูŠ ุจุฏู‡ุง ุชูƒูˆู† ุนู†ุฏูŠ ุณูˆุงุก double
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bonds ุฃูˆ pi electrons ุจุดูƒู„ conjugated ูˆุจู†ุงุก ุนู„ู‰
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ุฐู„ูƒ ู‡ุฐุง ุงู„ุดูƒู„ ุณู‡ู„ ุนู„ูŠูƒู… ุฃู†ูƒู… ุชุชุฎูŠู„ูˆุง ุฃู†ู‡ fully
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conjugated system double single double ุงู„ุขู† ู„ูˆ ุฃุชูŠุช
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ุจุฏูŠ ุฃูƒุชุจ ูƒู†ุชูŠุฌุฉ ุจุนูŠุฏุฉ ุนู† ู…ูˆุถูˆุน ุงู„ู€ orbitals ูƒู†ุชูŠุฌุฉ
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00:05:14,970 --> 00:05:19,190
ุฅูŠุด ุงู„ู†ุงุชุฌ ุงู„ู„ูŠ ุจุฏูŠ ูŠุชูƒูˆู† ู…ู† ู‡ู†ุง ู‡ูŠ ุญุฑูƒุฉ ู…ุชุชุงู„ูŠุฉ
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ู…ุชุนูˆุฏูŠู† ูŠูˆุถุญูˆุง ุงู„ู†ุชูŠุฌุฉ ู…ู† ุฎู„ุงู„ู‡ุง ู„ุฃู† ู†ู‚ูˆู„ ู‡ุฐุง ู‡ูŠูƒ
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ูˆ ู‡ุฐุง ู‡ูŠูƒ ู‡ูŠ ุงู„ู†ุชูŠุฌุฉ ุงู„ุขู† ุฅูŠุด ุงู„ู„ูŠ ุฃู†ุง ุนู…ู„ุชู‡ ุนู…ู„ุช
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sigma bond ู‡ูŠู‡ุง ู‡ุฐู‡
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ุตุญ ูˆู„ุง ู„ุฃุŸ Formation of a sigma bond at the
71
00:05:36,320 --> 00:05:40,840
termini ุนู„ู‰ ุฃุทุฑุงู a fully conjugated pi system
72
00:05:40,840 --> 00:05:45,140
ูˆุงุถุญุŸ ูŠุนู†ูŠ ู‡ุงูŠ ุฃู†ุง ุนู†ุฏูŠ ุงู„ู€ fully conjugated system
73
00:05:45,140 --> 00:05:47,940
ู‡ุงูŠ ุทุฑูู‡ ูˆ ู‡ุงูŠ ุทุฑูู‡ ุงู„ุซุงู†ูŠ ุงู„ุขู† ุจูŠู† ุงู„ุทุฑููŠู† ุฅูŠุด
74
00:05:47,940 --> 00:05:52,080
ุนู…ู„ุชุŸ sigma bond ูˆ ุญุฑูƒุช ุจุงู‚ูŠ ุงู„ุฑูˆุงุจุท ู‡ุงูŠ ุงู„ู€
75
00:05:52,080 --> 00:05:56,980
electrocyclic reaction ุงู„ุขู† ุทุจ ููŠ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ู‡ู„ ูŠุง
76
00:05:56,980 --> 00:06:02,140
ุชุฑู‰ ุนู†ุฏูŠ ุฃูŠุถุงู‹ fully conjugated systemุŸ ุงู„ุฌูˆุงุจ ุงู‡
77
00:06:02,140 --> 00:06:10,180
ู„ุฃู† ู‡ุงูŠ ุงุซู†ูŠู† ูˆู‡ุงูŠ ุงุซู†ูŠู† ู‡ุฏูˆู„ ูˆู„ุฐู„ูƒ ุฃู†ุง ู„ู…ุง ุจุฏุฃุช
78
00:06:10,180 --> 00:06:14,400
ุฃุนู…ู„ ุงู„ุชุญุฑูŠูƒ ู‡ู†ุง ุจุฏุฃุช ุฃุญุฑูƒ ู†ูุชุฑุถ ู‡ุฐู‡ ู‡ู†ุง ุนุดุงู† ุฃูƒุชุจ
79
00:06:14,400 --> 00:06:17,620
ุงู„ุฌูˆุงุจ ุฏู‡ ุฃุฌูŠุจ ู‡ุฐุง ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ู‡ูŠุทู„ุน ุงู„ู†ุงุชุฌ
80
00:06:17,620 --> 00:06:23,220
ุนู…ู„ุช sigma bond at the termini of a fully
81
00:06:23,220 --> 00:06:30,360
conjugated pi system ูˆุงุถุญุŸ ู‡ู†ุง ุทุจุนุงู‹ ู‚ุฏ ุฅูŠุด ุนุฏุฏ ุงู„ู€ pi
82
00:06:30,360 --> 00:06:33,720
electrons ููŠ ุงู„ุญุงู„ุชูŠู† ู‡ุฏูˆู„ ุงู„ู„ูŠ ุฃู…ุงู…ู†ุง ุงุซู†ูŠู†
83
00:06:33,720 --> 00:06:38,720
ุฃุฑุจุนุฉ ุงุซู†ูŠู† ุฃุฑุจุนุฉ ู…ู…ูƒู† ุงู„ู€ pi electrons ูŠูƒูˆู†ูˆุง ุณุชุฉ
84
00:06:38,720 --> 00:06:44,200
ู…ู…ูƒู† ุงู„ู€ pi electrons ูŠูƒูˆู†ูˆุง ุณุชุฉ ูˆุงุถุญุŸ ู…ู…ูƒู† ุงู„ู€ pi
85
00:06:44,200 --> 00:06:47,440
electrons ู‡ุฏูˆู„ ูŠูƒูˆู†ูˆุง ุณุชุฉ ุฒูŠ ู‡ุฐุง ุงู„ู…ุซุงู„ ูˆูŠู†
86
00:06:47,440 --> 00:06:55,660
ุงู„ุณุชุฉุŸ ุงุซู†ูŠู† ุฃุฑุจุนุฉ ุณุชุฉ ูˆู‡ู†ุง ุฃุณู‡ู„ ุทุจุนุงู‹ ุงุซู†ูŠู† ุฃุฑุจุนุฉ
87
00:06:55,660 --> 00:07:00,660
ุณุชุฉ ู„ุงุญุธูˆุง ู…ุนุงู‡ ู‡ุฐู‡ ู†ู‚ุทุฉ ูƒุซูŠุฑ ู…ู‡ู…ุฉ ู‡ุฐุง fully
88
00:07:00,660 --> 00:07:06,060
conjugated system ู‡ุฐุง fully conjugated system
89
00:07:06,060 --> 00:07:10,260
double single double single double ุงู„ุขู† ู‡ุฐุง ุจูŠุนู…ู„
90
00:07:10,260 --> 00:07:17,100
electrocyclic reaction ููŠ ุชูุงุนู„ุงุช ุดุจูŠู‡ุฉ ุฌุฏุงู‹ ููŠ ..
91
00:07:17,100 --> 00:07:21,640
ุจุณ ู…ุด fully conjugated system ุชุชูุงุนู„ ุจุทุฑูŠู‚ุฉ ู…ุฎุชู„ูุฉ
92
00:07:21,640 --> 00:07:24,080
ุชู…ุงู…ุงู‹ ุฃู†ู‡ ุจูŠูƒูˆู† ุนู†ุฏ ู‡ุฐุง ุงู„ู†ุธุงู…
93
00:07:28,250 --> 00:07:32,410
ู‡ู†ุง ู…ุง ููŠุด double bonds ู‡ุฐุง 1,5-hexadiene
94
00:07:32,410 --> 00:07:38,250
system one two three four five 1,5-hexadiene
95
00:07:38,250 --> 00:07:43,070
system ู‡ุฐุง ู„ู…ุง ุจุฏู‡ ูŠุชูุงุนู„ .. ู‡ุฐุง ู„ู…ุง ุจุฏู‡ ูŠุชูุงุนู„ ..
96
00:07:43,070 --> 00:07:47,730
ู‡ูŠุชูุงุนู„ ุจุดูƒู„ ู…ุฎุชู„ู ุฅุฐุง ุจุฏู‡ ูŠูˆุถุญู‡ ูƒู†ุชูŠุฌุฉ ุฃู†ุง ุจู‡ุฐุง
97
00:07:47,730 --> 00:07:51,750
ุงู„ุดูƒู„ ูˆ ุจู‡ุฐุง ุงู„ุดูƒู„ ู‡ูŠูƒูˆู† ุงู„ู†ุงุชุฌ ุชุจุนู‡ .. ู‡ูŠูƒูˆู†
98
00:07:51,750 --> 00:07:56,490
ุงู„ู†ุงุชุฌ ุชุจุนู‡ ุตุงุฑุช
99
00:07:56,490 --> 00:08:01,120
double bonds ู‡ู†ุง ูˆ ุตุงุฑุช ู‡ู†ุง ุงู„ุฑุงุจุทุฉุŒ ุงู„ุขู† ู‡ุฐุง ู…ุด
100
00:08:01,120 --> 00:08:06,080
electrocyclic reaction ุถู…ู† ุงู„ุชุนุฑูŠู ุชุจุนูŠุŒ ู‡ูˆ ุญู‚ูŠู‚ุฉ
101
00:08:06,080 --> 00:08:09,660
ู„ูˆ ุจู†ุทู„ุน ุนู„ูŠู‡ุŒ ู‡ู„ุงุญุธ ููŠ ุงู„ู†ู‡ุงูŠุฉ ุฃู† ู‡ูˆ ู†ูˆุน ู…ู† ุงู„ู€
102
00:08:09,660 --> 00:08:14,960
sigmatropic reactionsุŒ ุจุณ ู…ุด ู…ูˆุถูˆุน ุงู„ุขู† ูˆุงุถุญ ูุฃู†ุง
103
00:08:14,960 --> 00:08:18,600
ุงู„ู€ electrocyclic reaction ุงู„ู„ูŠ ุนู†ุฏูŠ ุงู„ู€
104
00:08:18,600 --> 00:08:21,700
electrocyclic reactions ุงู„ู„ูŠ ุนู†ุฏูŠ ูŠุง ุจุฏู‡ู… ูŠุชู…ูˆุง ุจู€
105
00:08:21,700 --> 00:08:27,120
4 pi electrons ูŠุง ุจุฏู‡ู… ูŠุชู…ูˆุง ุจู€ 6 pi electrons ุงู„ุขู†
106
00:08:27,120 --> 00:08:31,240
ู‡ู†ุง ุจุฅู…ูƒุงู†ูŠ ุนุดุงู† ุฃูƒุชุจ ุงู„ู†ุงุชุฌ ุฃู‚ูˆู„ ู‡ุงูŠ ูˆุงุญุฏ ู‡ุงูŠ
107
00:08:31,240 --> 00:08:36,220
ุงุซู†ูŠู† ูˆู‡ุฐู‡ ุฃุชุช ุนู„ู‰ ุงู„ู€ Y ุฃูˆ ู‡ู†ุง ู‡ุงูŠ ูˆุงุญุฏ ุงุซู†ูŠู†
108
00:08:36,220 --> 00:08:42,420
ุซู„ุงุซุฉ ุตุงุฑ cyclization ุตุงุฑ ููŠ ูƒู„ ุงู„ุฃุญูˆุงู„ ุชูƒูˆูŠู† ุงู„ู€
109
00:08:43,660 --> 00:08:48,000
sigma bond Formation of a sigma bond at the
110
00:08:48,000 --> 00:08:55,340
termini of a fully conjugated pi system ูˆุงุถุญุŸ ุงู„ุขู†
111
00:08:55,340 --> 00:09:01,440
ู‡ุฐุง ุชุนุฑูŠู ุงู„ู€ electrocyclic reactions ู„ูˆ ุฃุฌูŠู†ุง ุจุนุฏ
112
00:09:01,440 --> 00:09:07,860
ู‡ูŠูƒ .. ู„ูˆ ุฃุฌูŠู†ุง ุจุนุฏ ู‡ูŠูƒ ูˆู‚ู„ู†ุง ุจุฏู†ุง ุฃู…ุซู„ุฉ ู…ุฑุงุช
113
00:09:07,860 --> 00:09:12,600
ูƒุซูŠุฑุฉ ุงู„ู…ุซุงู„ ุจูŠูƒูˆู† ู…ุด ุฌุงู‡ุฒ ูƒู€ fully conjugated
114
00:09:12,600 --> 00:09:17,280
system ู„ูƒู† ุฃู†ุง ุจุนู…ู„ ู…ุซู„ุงู‹ ring opening ุฃูˆ ุจุนู…ู„ ุดูŠุก
115
00:09:17,280 --> 00:09:22,300
ููŠ ุงู„ุฃูˆู„ ูŠุนู…ู„ ู„ูŠู‡ ุงู„ู€ fully conjugated system ูˆู„ุฐู„ูƒ
116
00:09:22,300 --> 00:09:25,940
ุงู„ุชูุงุนู„ ูŠูุณุฑ ููŠ ู†ู‡ุงูŠุฉ ุฃู†ู‡ ุฅูŠุด electrocyclic
117
00:09:25,940 --> 00:09:31,640
reaction ู…ุซู„ุงู‹ ู‡ุฐุง ุงู„ู…ุฑูƒุจ Vinyl Oxirane ู…ุงุฑ ู…ุนูƒู…
118
00:09:31,640 --> 00:09:35,950
ู‡ุฐู‡ ุงู„ู…ุฌู…ูˆุนุฉ ุฅูŠุด ุงุณู…ู‡ุงุŸ Vinyl .. V .. V .. V ..
119
00:09:35,950 --> 00:09:41,090
Vinyl .. ู…ุด Vinyl .. Vinyl Oxirane ุจุชุณุฎูŠู† ุจุชุนุทูŠู†ุง
120
00:09:41,090 --> 00:09:47,110
ุฐุงูƒ ุงู„ู…ุฑูƒุจ ุงู„ู„ูŠ ู‡ูˆ Dihydrofuran
121
00:09:49,700 --> 00:09:54,160
ู…ุธุจูˆุท ูˆู„ุง ู„ุฃุŸ ุงู„ุขู† ู„ูˆ ุฃุฌูŠู†ุง ู†ู‚ูˆู„ ูƒูŠู ุชู… ู‡ุฐุง
122
00:09:54,160 --> 00:09:58,940
ุงู„ูƒู„ุงู…ุŸ ูƒูŠู ุชู… ู‡ุฐุง ุงู„ูƒู„ุงู…ุŸ ุฎู„ูŠู†ุง ู†ู‚ูˆู„ ุฃู†ู‡ ู†ุฑุณู… ู‡ุฐุง
123
00:09:58,940 --> 00:10:03,800
ุงู„ุฌุฒุก ุดูˆูŠุฉ ุจุทุฑูŠู‚ุฉ ู…ุฎุชู„ูุฉ ู‡ุฐุง ู†ูุณ ู‡ุฐุง ู…ุฌุฑุฏ ุฃู†ู‡ ุฃู†ุง
124
00:10:03,800 --> 00:10:08,680
ู‡ุฏูˆู„ ุบูŠุฑุช ู…ูƒุงู†ู‡ู… ุนุดุงู† ูŠุณู‡ู„ ุนู„ูŠู†ุง ุฃู† ู†ูู‡ู… ุฅูŠุด ุงู„ู„ูŠ
125
00:10:08,680 --> 00:10:13,540
ุจูŠุตูŠุฑ ุงู„ุขู† ุจุงู„ุชุณุฎูŠู† ุจุงู„ุชุณุฎูŠู† ู‡ุฐุง ุฒูˆุฌูŠ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช
126
00:10:13,540 --> 00:10:17,540
ู†ุชุฎูŠู„ู‡ ุชุญุฑูƒ ู‡ู†ุง ุนุงู…ู„ ู„ูŠู‡ double bond ูˆู‡ุฐุง ุงู„ู€ pi
127
00:10:17,540 --> 00:10:23,430
bond ุญู…ู„ุช ุนู„ู‰ ุงู„ู€ carbon ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ู‡ู†ุง ุตุงุฑ ุนู†ุฏูŠ
128
00:10:23,430 --> 00:10:29,950
double bond O C ุญุงู…ู„ุฉ ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ูˆุงู„ู€ double
129
00:10:29,950 --> 00:10:35,010
bond ุงู„ุฃุตู„ูŠุฉ ุงู„ุขู† ุงู„ู€ fully conjugated system ุตุงุฑ
130
00:10:35,010 --> 00:10:39,490
ู…ูˆุฌูˆุฏ ุนู†ุฏูŠ ูˆู„ุง ู„ุฃ ุงู„ู€ fully conjugated system ุตุงุฑ
131
00:10:39,490 --> 00:10:44,210
ู…ูˆุฌูˆุฏ ุนู†ุฏูŠ ุงู„ุขู† ู„ูˆ ุนู…ู„ู†ุง ุงู„ุญุฑูƒุฉ ุฃู†ู‡ ู‡ูŠ ู‡ุฐุง ู…ุซู„ุงู‹
132
00:10:44,210 --> 00:10:47,190
ุชุญุฑูƒ ุจู‡ุฐุง ุงู„ุดูƒู„ ู‡ุฐุง ุชุญุฑูƒ ุจู‡ุฐุง ุงู„ุดูƒู„ ู‡ุฐุง ุชุญู…ู‘ู„
133
00:10:47,190 --> 00:10:54,100
ุนู„ู‰ ุงู„ู€ oxygen ู‡ูŠุทู„ุน ุงู„ู…ุฑูƒุจ ุงู„ู„ูŠ ุนู†ุฏู‡ ูˆุงุถุญ ูู…ุง ูƒุงู†ุด
134
00:10:54,100 --> 00:10:58,160
ู…ูˆุฌูˆุฏ ุงู„ู€ fully conjugated system ู„ูƒู† ุจุงู„ุชุณุฎูŠู†
135
00:10:58,160 --> 00:11:03,440
ุจุงู„ุญุฑุงุฑุฉ ุตุงุฑ ุนู†ุฏู‡ ring opening ุตุงุฑ ุนู†ุฏู‡ ring
136
00:11:03,440 --> 00:11:07,240
opening ุชูƒูˆู† ุงู„ู€ fully conjugated system ูˆ ุจุนุฏูŠู†
137
00:11:07,240 --> 00:11:12,980
ุนู…ู„ ุฅูŠุด electrocyclic reaction ูˆุงุถุญุฉ ู‡ุฐู‡ ุงู„ููƒุฑุฉุŸ
138
00:11:15,300 --> 00:11:20,200
ุงู„ุขู† ู‡ูŠ ุนู†ุฏูŠ ุฃู…ุซู„ุฉ ุซุงู†ูŠุฉ ู…ูˆุงุฒูŠุฉ ุชู…ุงู…ุงู‹ ู„ู„ู…ุซุงู„
139
00:11:20,200 --> 00:11:24,500
ุงู„ุณุงุจู‚ ู„ูƒู† ุจุฏู„ ู…ุง ูƒุงู† ุนู†ุฏูŠ oxygen ุฅูŠุด ููŠ ุนู†ุฏูŠ
140
00:11:24,500 --> 00:11:29,640
ู†ูŠุชุฑูˆุฌูŠู† ูˆ ุจู†ูุณ ุงู„ุญุฑูƒุงุช ุชู…ุงู…ุงู‹ ุจุฅู…ูƒุงู†ูƒู… ุชุทุจู‚ูˆู‡ุง
141
00:11:29,640 --> 00:11:36,420
ุชุนู…ู„ูˆุง ring opening ู…ู† ู‡ุฐุง ุงู„ู…ูˆู‚ุน ูˆู‡ุฐุง ู„ู…ุง ู†ุญุฑูƒ
142
00:11:36,420 --> 00:11:40,930
ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุงู„ู„ูŠ ุนู„ู‰ ุงู„ nitrogen ู‡ุชุตูŠุฑ ุฅูŠุดุงู„ู€
143
00:11:40,930 --> 00:11:45,750
triple bond ูˆู‡ูŠ ู‡ู†ุง ุงู„ู€ minus ูˆู‡ูŠ ุงู„ double bond
144
00:11:45,750 --> 00:11:54,010
ุงู„ุขู† fully conjugated system ุจุฅู…ูƒุงู†ู‡ุง ุชุณูƒุฑ ูˆู…ู…ูƒู†
145
00:11:54,010 --> 00:11:58,910
ุทุจุนู‹ุง ุจุนุฏ ู…ุง ุชุณูƒุฑ ุฃู†ู‡ ู†ู‚ูˆู„ ุฅู† ู‡ุฐุง ุฃู…ูŠู† ุนู…ู„ ุฃู†ุงู…ูŠู†
146
00:11:58,910 --> 00:12:02,690
ู‡ุฐุง ุฃู…ุฑ ุนุงุฏูŠ ูŠุนู†ูŠ ููŠ ุงู„ู€ heterocyclic chemistry ู…ุด
147
00:12:02,690 --> 00:12:08,130
ู‡ูˆ ู…ุญูˆุฑ ุงู„ู…ุดูƒู„ุฉ ูˆุงุถุญุฉ ุงู„ููƒุฑุฉุŸ ุฅุฐุง ูู‡ุฏูˆู„ุฉ ุงู„ู…ุฑูƒุจุงุช
148
00:12:08,130 --> 00:12:12,410
ุฃูŠุถู‹ุง ุชู‚ุฑูŠุจู‹ุง ู†ูุณ ุงู„ููƒุฑุฉ ุงู„ุณุงุจู‚ุฉ ู†ูุณ ุงู„ููƒุฑุฉ ุงู„ุณุงุจู‚ุฉ
149
00:12:12,410 --> 00:12:17,690
ุชู…ุงู…ู‹ุง ุฅู†ู‡ ุฅุญู†ุง ูƒูˆู‘ู†ู†ุง ุงู„ู€ fully conjugated system
150
00:12:17,690 --> 00:12:23,750
ูˆุฎู„ูŠู†ุง ุจุนุฏ ุฐู„ูƒ ุฅูŠุด ูŠุนู…ู„ุŸ ูŠุณูƒุฑ ุงู„ุขู† ู‡ุฐุง ุงู„ู…ุฑูƒุจ
151
00:12:23,750 --> 00:12:30,940
ุฌุงู‡ุฒ ุงู„ู€ diazo compound ูˆู‡ุฐุง ุงู„ diazo compound ููŠู†ูŠู„
152
00:12:30,940 --> 00:12:37,260
diazo methane ูŠุนู†ูŠ ุฃู†ุชูˆ ู„ูˆ ุทู„ุนุชูˆุง ุนู„ูŠู‡ ุงู„ CH2N2 ู‡ูˆ
153
00:12:37,260 --> 00:12:41,080
ุงู„ diazo methane ูˆุฅูŠุฌูŠ ุนู„ูŠู‡ุง ู…ุฌู…ูˆุนุฉ ุงู„ ููŠู†ูŠู„ ูุตุงุฑุช
154
00:12:41,080 --> 00:12:46,990
ุฅูŠุดุŸ vinyl diazomethane ู‡ุฐุง ุงู„ู€ vinyl diazomethane
155
00:12:46,990 --> 00:12:51,050
ููŠ ุงู„ู€ fully conjugated by system ุจุงู„ุชุฃูƒูŠุฏ
156
00:12:51,050 --> 00:12:56,130
ูˆุจุงู„ุชุงู„ูŠ ุจุฅู…ูƒุงู†ู‡ ุจุจุณุงุทุฉ ุฅู†ู‡ ูŠุชุญุฑูƒ ุจู‡ุฐุง ุงู„ุดูƒู„ ุจู‡ุฐุง
157
00:12:56,130 --> 00:13:01,110
ุงู„ุดูƒู„ ูˆู‡ุฐู‡ ุชูŠุฌูŠ ุนู„ู‰ ุงู„ nitrogen ุญูŠุซ ุฅู† ู‡ุฐุง ุงู„ู…ุฑูƒุจ
158
00:13:01,110 --> 00:13:08,290
ุงู„ุขู† ุฅุฐุง ุฑุณู… ู…ู†ู‡ ุชูˆุชูˆ ู…ุฑุฉ ุซุงู†ูŠ ู…ุด ูŠุนู†ูŠ ู…ุด ู‚ุตุฉ ูู‡ุฐุง
159
00:13:08,290 --> 00:13:14,850
ู…ุซุงู„ ุนู„ู‰ ุงู„ electrocyclic reaction ุงู„ู„ุญุธุฉ ุจูŠู‚ูˆู„ ุฅู†
160
00:13:14,850 --> 00:13:19,270
ุงู„ vinyl diazomethane isolable but cyclizes above 25
161
00:13:19,270 --> 00:13:22,650
degree centigrade ูŠุนู†ูŠ ุฃู‚ู„ ู…ู† 25 ุฏุฑุฌุฉ ู…ุฆูˆูŠุฉ
162
00:13:22,650 --> 00:13:28,330
ุจูŠูุตู„ูˆุง vinyl diazomethane ู†ุณุฎู†ูˆุง ุดูˆูŠุฉ ุจูŠุนู…ู„ ุงู„ู€
163
00:13:28,330 --> 00:13:34,170
electrocyclic reaction ูˆุจูŠุณูƒุฑ ู„ pyrazole
164
00:13:34,170 --> 00:13:40,850
derivative ุจูŠุณูƒุฑ ู„ pyrazole derivative ุงู„ู…ุซุงู„ ุงู„ู„ูŠ
165
00:13:40,850 --> 00:13:46,270
ู‡ู†ุง ู‡ุฐุง ุงู„ู…ุซุงู„ ุจุงู„ุชุณุฎูŠู† ุจุชุงุจุน ู„ู€ ู…ุซุงู„ ุชู„ู‚ุงุฆูŠ ุฌุฏู‹ุง ู„ูŠุด
166
00:13:46,270 --> 00:13:48,890
ู„ุฃู†ู‡ ูˆุงุถุญ double single double single double
167
00:13:48,890 --> 00:13:56,250
ุจุงู„ุชุงู„ูŠ ุญุฑูƒุฉ 4ฯ€ electron ุชู„ุงุชุฉ ู‡ูŠุนุทูŠู†ูŠ ุงู„ุญู„ู‚ุฉ very simple
168
00:13:56,250 --> 00:14:02,990
electrocyclic reaction ู‡ุฐุง ุงู„ู…ุซุงู„ ุดูˆูŠุฉ ุจุฏู‡ ุดูˆูŠุฉ
169
00:14:02,990 --> 00:14:06,710
ุดุบู„ ุนุดุงู† ูŠุตูŠุฑ ุฌุงู‡ุฒ ู„ู„ electrocyclic reaction
170
00:14:06,710 --> 00:14:10,950
ู„ุงุญุธูˆุง ุฃู†ุง ุนู†ุฏูŠ C double bond O azide ุงู„ู„ูŠ ุจูŠุฐูƒุฑ
171
00:14:10,950 --> 00:14:17,890
ุฅู† ุฅุญู†ุง ู‚ูˆู„ู†ุง C double bond O azide ุจุงู„ุชุณุฎูŠู† ุดูˆ
172
00:14:17,890 --> 00:14:24,560
ุจุชุตูŠุฑ C double bond O nitrene ุงู„ู€ C double bond O
173
00:14:24,560 --> 00:14:29,240
azide ุจุงู„ุชุณุฎูŠู† ุจุชุตูŠุฑ C double bond O nitrene ูˆู‚ู„ู†ุง
174
00:14:29,240 --> 00:14:34,540
ูƒู…ุงู† ุฅู† ุงู„ู€ C double bond O nitrene ุจุงู„ curtius
175
00:14:34,540 --> 00:14:38,300
arrangement ุจุชุดุจูƒ ู…ู† ู‡ู†ุง ู…ู† ุงู„ N ูุจุตูŠุฑ ุนู†ุฏูƒ carbon
176
00:14:38,300 --> 00:14:43,960
N double bond C double bond O ู„ุงุญุธูˆุง ู‡ุงูŠ ุงู„ carbon
177
00:14:43,960 --> 00:14:49,990
ุงู„ู„ูŠ ู…ุจูŠู†ุฉ ุจุงู„ุฃุญู…ุฑ ูˆูŠู† ู‡ุชุดุจูƒ ุนู† ู†ูŠุชุฑูˆุฌูŠู† Carbon NCO
178
00:14:49,990 --> 00:14:54,830
Carbon NCO ุงุชุญูˆู„ุช ู„ isocyanate ู‡ุฐู‡ ุงู„ curtius
179
00:14:54,830 --> 00:14:57,570
rearrangement ุงู„ู„ูŠ ุญูƒูŠู†ุง ุนู†ู‡ุง ููŠ ุงู„ู…ุญุงุถุฑุฉ ุงู„ู…ุงุถูŠุฉ
180
00:14:57,570 --> 00:15:03,390
ุงู„ุขู† ู‡ุฐุง ุงู„ system ุงู„ู„ูŠ ู…ุจูŠู† ุจุงู„ู„ูˆู† ุงู„ุฃุญู…ุฑ fully
181
00:15:03,390 --> 00:15:07,190
conjugated system ุจูŠุนู…ู„ electro cycle creation ูˆ
182
00:15:07,190 --> 00:15:12,520
ุจูŠุณูƒุฑู‡ุฐุง ุงู„ุชูุงุนู„ ุชู… ููŠู‡ ุนู…ู„ูŠุชูŠู† ุงุชุนู„ู…ู†ุงู‡ ู…ู†
183
00:15:12,520 --> 00:15:16,620
ุงู„ุนู…ู„ูŠุฉ ุงู„ุฃูˆู„ู‰ ุฅู† ุงู„ู€ azide ุจุงู„ุชุณุฎูŠู† ุตุงุฑ nitrene ูˆ
184
00:15:16,620 --> 00:15:21,820
ุงู„ุนู…ู„ูŠุฉ ุงู„ุซุงู†ูŠุฉ ุฅู† ุงู„ู€ C double bond O nitrene ุนู…ู„ุช
185
00:15:21,820 --> 00:15:27,820
curtius rearrangement ู„ isocyanate ุนู…ู„ุช curtius
186
00:15:27,820 --> 00:15:30,500
rearrangement ู„ isocyanate
187
00:15:32,440 --> 00:15:37,180
ู‡ุฐู‡ ุฃู…ุซู„ุฉ ุฅุถุงููŠุฉ ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ู‡ู†ุง ูˆุงุถุญ ุฅู†ู‡ ู…ุซุงู„
188
00:15:37,180 --> 00:15:41,380
ุดูˆูŠุฉ ุจุณูŠุท ู„ุฃู†ู‡ ุนู†ุฏูŠ double bonds ู…ุฌุฑุฏ ุฅู†ู‡ ุฑุชุจู†ุงู‡ู…
189
00:15:41,380 --> 00:15:46,520
ุนู„ู‰ ุดูƒู„ ุญู„ู‚ุฉ ูˆุฎู„ูŠู†ุง ูŠู… ูŠุชุญุฑูƒูˆุง ุจูŠุนู…ู„ cyclization
190
00:15:46,520 --> 00:15:51,940
ู…ุงููŠุด ููŠู‡ ู…ุดูƒู„ุฉ ูƒุซูŠุฑุฉ ู‡ุฐุง ุงู„ู…ุซุงู„ ู„ุฃ ู…ุด ูŠู†ุจูŠู† ููŠู‡
191
00:15:51,940 --> 00:15:57,510
double bonds ู„ูƒู† ู…ูˆุฌูˆุฏ ููŠู‡ ุฅูŠุดุŸ ุญู„ู‚ุฉ ุฑุจุงุนูŠุฉ ..
192
00:15:57,510 --> 00:16:00,710
ุงู„ุญู„ู‚ุฉ ุงู„ุฑุจุงุนูŠุฉ unstable ูˆู„ุง unstable .. unstable
193
00:16:00,710 --> 00:16:05,610
ูˆุจุงู„ุชุงู„ูŠ ุจุงู„ุชุณุฎูŠู† ู…ู…ูƒู† ุฅู† ู‡ุฐู‡ ุงู„ุญู„ู‚ุฉ ุชุชุญุฑูƒ ุจู‡ุฐุง
194
00:16:05,610 --> 00:16:11,370
ุงู„ุดูƒู„ ูˆุชุชุญุฑูƒ ุจู‡ุฐุง ุงู„ุดูƒู„ .. ูˆุงุถุญุŸ ุงู„ุขู† ุตุงุฑ ุนู†ุฏูƒู…
195
00:16:11,370 --> 00:16:16,680
double single double single double .. ุฑุชุจูˆู‡ุง ูˆุงุถุญ
196
00:16:16,680 --> 00:16:22,220
ุงู„ููƒุฑุฉุŸ ู‡ูŠ ุจุงู„ุญุฑูƒุฉ ู‡ุงุฏูŠ ู‡ุงุฏูŠ ุงู†ูƒุณุฑุชุŒ ุดูˆ ุตุงุฑุŸ CH2
197
00:16:22,220 --> 00:16:27,440
double bond C ูˆู‡ุงุฏูŠ C double bond ูˆ single ูˆุงู„
198
00:16:27,440 --> 00:16:32,820
CL ุฎู„ูŠู‡ุง ุชุณูƒุฑ electrocyclic reaction ุจุชุงู„ูŠ ุงู„ุฃู…ุฑ
199
00:16:32,820 --> 00:16:38,320
ุณู‡ู„ ู‡ุฐุง ุงู„ู…ุฑูƒุจ ููŠ ุงู„ HV ุจูŠุนู…ู„ ู‡ู†ุง double bond
200
00:16:38,320 --> 00:16:43,000
ุซุงู†ูŠุฉ ุจูŠุนู…ู„ isomerization ุฅู†ู‡ ู‡ุฐู‡ ุชุตูŠุฑ ุฒูˆุฌ
201
00:16:43,000 --> 00:16:47,260
ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ูŠูŠุฌูŠ ู‡ู†ุง ูˆู‡ุฐุง ุชุตูŠุฑ minus ูŠุนู†ูŠ ู‡ู†ุง ุฃู†ุง
202
00:16:47,260 --> 00:16:51,720
ููŠ ุนู†ุฏู‡ ุฒูˆุฌ ุงู„ุฅู„ูƒุชุฑูˆู†ุงุช ุงู„ู„ูŠ ุนู„ู‰ ุงู„ nitrogen
203
00:16:51,720 --> 00:16:55,380
ุดุงูŠููŠู†ู‡ ู‡ุฐุง ู„ูˆ ุฅูŠุฌูŠ ู‡ู†ุง ูˆู‡ุฐู‡ ุตุงุฑุช
204
00:16:59,220 --> 00:17:04,780
ู…ุน ูˆุฌูˆุฏ ุงู„ุดุญู†ุงุช ุงู„ู…ู†ุงุณุจุฉ ุงู„ positive ูˆุงู„ negative
205
00:17:04,780 --> 00:17:07,340
ูู‡ุฐุง ุจูŠุณูƒุฑ ุจูŠุนุทูŠู†ุง
206
00:17:09,370 --> 00:17:14,290
six-membered ring ุจูŠุณูƒุฑูˆุง ูˆุจูŠุนุทูŠู†ุง six-membered
207
00:17:14,290 --> 00:17:18,450
ring ูƒู„ ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู† ุฃู…ุซู„ุฉ ุนู„ู‰ electrocyclic
208
00:17:18,450 --> 00:17:23,510
reactions ู‡ุฐุง ุงู„ู…ุซุงู„ ุฃูŠุถู‹ุง ุฅุฐุง ุจุชุชุทู„ุน ุนู„ูŠู‡ come by
209
00:17:23,510 --> 00:17:28,350
electron ุนู†ุฏู‡ ุฃุฑุจุนุฉ ู…ุฌุฑุฏ ุชูƒูˆูŠู† ุญู„ู‚ุฉ ุฑุจุงุนูŠุฉ ุจุณูŠุทุฉ
210
00:17:28,350 --> 00:17:33,110
ุจุชุนูŠู„ู‡ ู…ุงููŠุด ููŠู‡ ู…ุดูƒู„ุฉ ู‡ุฐุง ุงู„ู…ุซุงู„ come by electron
211
00:17:33,110 --> 00:17:37,510
ู…ูˆุฌูˆุฏ ุนู†ุฏู‡ double single double ูŠุนู†ูŠ ูƒุฃู†ู†ุง ุจู†ุญุฑูƒ
212
00:17:37,510 --> 00:17:38,250
ู‡ุฐู‡ ู‡ูŠูƒ
213
00:17:41,290 --> 00:17:48,110
ูˆุงุถุญุŸ ุฃูŠ ู…ู† ุงู„ุงุชุฌุงู‡ุงุช ุณู„ูŠู… ูˆุจุงู„ุชุงู„ูŠ ุนู…ู„ ุญู„ู‚ุฉ ุฑุจุงุนูŠุฉ
214
00:17:48,110 --> 00:17:54,350
ุฌู†ุจ ุงู„ุจู†ุฒูŠู†ุฉ ุนู…ู„ ุญู„ู‚ุฉ ุฑุจุงุนูŠุฉ ุนู†ุฏ ุงู„ุจู†ุฒูŠู† ูƒู„ ู‡ุฐู‡
215
00:17:54,350 --> 00:18:01,410
ุนุจุงุฑุฉ ุนู† ุฃู…ุซู„ุฉ ุนู„ู‰ ุงู„ electrocyclic reaction ู…ู…ูƒู†
216
00:18:01,410 --> 00:18:05,550
ู‡ุฐุง ู…ุซุงู„ ุนู„ู‰
217
00:18:06,680 --> 00:18:13,140
claisen ุนู„ู‰ claisen rearrangement ุจุชุนุฑููˆุง ุงู„ claisen
218
00:18:13,140 --> 00:18:18,240
rearrangement ุฅุฐุง ูƒู†ุชูˆุง ู…ุชุฐูƒุฑูŠู†ู‡ุงุŸ ุงู„ู…ูุฑูˆุถ ููŠ ุงู„
219
00:18:18,240 --> 00:18:22,280
organic synthesis ุจุชู…ุฑ ุนู„ูŠูƒู… ุงู„ O carbon single
220
00:18:22,280 --> 00:18:26,320
bond carbon ูˆู‡ู†ุง ูŠูƒูˆู† ุนู†ุฏูƒู… double bond ุจูŠุตูŠุฑ ุฃู†ุง
221
00:18:26,320 --> 00:18:32,420
ุนู†ุฏูŠ ุงู†ุชู‚ุงู„ ูƒุงู…ู„ ุงู†ุชู‚ุงู„ ูƒุงู…ู„ ู„ูƒู„ ู‡ุฐู‡ ุงู„ group
222
00:18:32,420 --> 00:18:37,480
ุจูŠุตูŠุฑ ุนู†ุฏูŠ ุงู†ุชู‚ุงู„ ูƒุงู…ู„ ู„ูƒู„ ู‡ุฐู‡ ุงู„ group ุจุชู†ุชู‚ู„ ุนู„ู‰
223
00:18:37,480 --> 00:18:41,600
ู‡ุฐุง ุงู„ู…ูˆู‚ุน ู‡ุฐุง ุงุณู…ู‡ุง claisen rearrangement ู‡ูŠ
224
00:18:41,600 --> 00:18:48,880
ุญู‚ูŠู‚ุฉ ู†ูˆุน ู…ู† ุงู„ sigmatropic reactions ุจุฅู…ูƒุงู†ูƒู…
225
00:18:48,880 --> 00:18:53,780
ุชุฑุฌุนูˆู‡ุง ู…ุฑุงุช ุฃู†ุง ุจุณูŠุจ ุดุบู„ุงุช ู„ูƒู… ุชุณุชููŠุฏูˆุง ุฅู† ุฃู†ุชูˆ
226
00:18:53,780 --> 00:18:57,700
ุชุชุนุจูˆุง ุงุฑุฌุนูˆุง ู‡ุฐุง ุงู„ู…ุซุงู„ ุงู„ุดู‡ูŠุฑ ุนู„ู‰ ุงู„ claisen
227
00:18:57,700 --> 00:19:02,860
rearrangement ุงู„ุขู† ู„ูˆ ุชู…ุช ุงู„ rearrangement ุจู‡ุฐุง
228
00:19:02,860 --> 00:19:06,600
ุงู„ุดูƒู„ ูŠุนู†ูŠ ูƒุฃู†ู‡ ุงู„ู„ูŠ ุจุชูƒูˆู†ูˆุง ุชุชุฎูŠู„ูˆุง ุฅู† ู‡ุฐู‡ ู…ุซู„ู‹ุง
229
00:19:06,600 --> 00:19:11,090
ุฅูŠุฌุช ุงุชุญุฑูƒุช ู‡ู†ุง ูˆู‡ุฐู‡ ุฅูŠุฌุช ุฃู…ู„ุชู‡ุง ุงู„ุฑุงุจุทุฉ ู‡ู†ุง ูˆุงุถุญุŸ
230
00:19:11,090 --> 00:19:16,590
ุฅู„ู‡ุง ู†ุธุงู… ู…ุนูŠู† ูˆุฅู„ู‡ุง ู…ูŠูƒุงู†ูŠุฒู… ู…ุนูŠู†ุฉ 3-3-3-3-3-3-3
231
00:19:16,590 --> 00:19:17,150
-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3
232
00:19:17,150 --> 00:19:21,030
-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3
233
00:19:21,030 --> 00:19:25,850
-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3
234
00:19:25,850 --> 00:19:27,850
-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3
235
00:19:41,270 --> 00:19:44,830
ู‡ู†ุง ุฏุฎู„ ุนู†ุฏูŠ ููŠ ุงู„ุฃูˆู„ ุงู„ู€ claisen rearrangement
236
00:19:44,830 --> 00:19:47,890
ุนุดุงู† ุฃู†ุชูˆ ุชุฑุฌุนูˆู‡ุง ู„ูƒู† ู„ุญุธุฉ ู…ุง ุฃู†ุง ูˆุตู„ุช ู„ู„ fully
237
00:19:47,890 --> 00:19:51,050
conjugated by system ุงู„ุชูุงุนู„ ุฅูŠุด ุจูŠูƒูˆู†
238
00:19:51,050 --> 00:19:58,050
electrocyclic reaction ู‡ุฐุง ุงู„ุชูุงุนู„ ุจุชู‡ูŠุฃู„ูŠ ุฌุงู‡ุฒ ูƒ
239
00:19:58,050 --> 00:20:03,610
electrocyclic reaction ู…ุงููŠุด ููŠู‡ ูˆู„ุง ุดุบู„ุฉ ุชู‚ุฑูŠุจู‹ุง
240
00:20:03,610 --> 00:20:09,770
ุจู‡ูŠูƒ ุจู†ู†ู‡ูŠ ู…ูˆุถูˆุน ุงู„ electrocyclic reactions ุฒูŠ ุฅู†
241
00:20:09,770 --> 00:20:16,530
ุฃู†ุชู… ู„ุงุญุธูŠู† ู…ูˆุถูˆุน ุฌู…ูŠู„ ูˆุจุณูŠุท ู…ู…ูƒู† ู†ุนุทูŠ ููƒุฑุฉ ุงู„ุขู†
242
00:20:16,530 --> 00:20:21,310
ู…ู…ูƒู† ู†ุนุทูŠ ููƒุฑุฉ ุงู„ุขู† ุนู„ู‰ ู…ูˆุถูˆุน ูƒุจูŠุฑ ู‡ูŠุงุฎุฏ ู…ู†ู‡ุง ุฃูƒุซุฑ
243
00:20:21,310 --> 00:20:29,510
ู…ู† ู…ุญุงุถุฑุฉ ุงู„ู„ูŠ ู‡ูˆ ุงู„ cycloaddition reactions
244
00:20:31,000 --> 00:20:35,700
ุงู„ู€ cycloaddition reactions ู‡ุฐุง ุงู„ุญู‚ูŠู‚ุฉ ุงู„ู€
245
00:20:35,700 --> 00:20:40,200
cycloaddition reactions ู…ูˆุถูˆุน ูƒุจูŠุฑ ูˆู‡ุชุดูˆูู‡ ู…ู†
246
00:20:40,200 --> 00:20:44,040
ุฎู„ุงู„ ุงู„ู…ู‚ุฏู…ุฉ ูŠู…ูƒู† ู†ุฏุฎู„ุด ูƒุซูŠุฑ ููŠ ุงู„ุชูุงุตูŠู„ ู„ูƒู† ู…ู†
247
00:20:44,040 --> 00:20:48,280
ุฎู„ุงู„ ุงู„ู…ู‚ุฏู…ุฉ ู‡ุชุดูˆู ุฅู†ู‡ ู…ูˆุถูˆุน ูƒุจูŠุฑ ุงู„ุขู† ุงู†ุชุจู‡ูˆุง ุฅู†
248
00:20:48,280 --> 00:20:52,340
ุฅุญู†ุง ุจู†ุนู…ู„ ู†ู‚ู„ุฉ ู…ู† ุงู„ุฌุฒุก ุงู„ุฃูˆู„ ููŠ ุงู„ synthesis
249
00:20:52,340 --> 00:20:56,740
ู„ู„ุฌุฒุก ุงู„ุซุงู†ูŠ ูŠุนู†ูŠ ู„ู…ุง ุฅุญู†ุง ู‚ู„ู†ุง ุจุฏู†ุง ู†ุดุฑุญ ุทุฑู‚
250
00:20:56,740 --> 00:21:01,640
ุชุญุถูŠุฑ ุงู„ุญู„ู‚ุงุช ู‚ู„ู†ุง ุนู†ุฏู†ุง ุชู„ุช ุทุฑู‚ ุงู„ุทุฑูŠู‚ุฉ ุงู„ุฃูˆู„ู‰ is
251
00:21:01,640 --> 00:21:06,520
cyclization ุฅู† ุฃู†ุง ุฃุนู…ู„ one sigma bond ูƒู„ ุงู„ู„ูŠ ูƒู†ุช
252
00:21:06,520 --> 00:21:11,420
ุจุนู…ู„ู‡ ู„ุญุฏ ุฏู„ูˆู‚ุช ู‡ูˆ cyclization ุฅู† ุฃุนู…ู„ ููŠ ู„ุญุธุฉ
253
00:21:11,420 --> 00:21:15,360
ุงู„ุฅุบู„ุงู‚ one bond ุงู„ุทุฑูŠู‚ุฉ ุงู„ุซุงู†ูŠุฉ ู‡ูŠ cycloaddition
254
00:21:15,360 --> 00:21:20,120
ุงู„ cycloaddition ุฅู† ุฃุฌูŠุจ ู‚ุทุนุชูŠู† ูˆุฃุนู…ู„ ุฑุงุจุทุชูŠู† at
255
00:21:20,120 --> 00:21:25,200
the same time ูุงู„ู€ cyclization one bond formation
256
00:21:25,200 --> 00:21:28,840
ุฎู„ุตู†ุงู‡ ูƒู„ ุงู„ู„ูŠ ุฃุฎุฏู†ุงู‡ ูƒุงู† cyclization ุงู„ุขู† ุงู„
257
00:21:28,840 --> 00:21:33,180
cycloaddition ู…ูˆุถูˆุน ุซุงู†ูŠ ู‡ู†ูŠุฌูŠ ู†ุฌุฑุจ ู‚ุทุนุชูŠู† ู…ุน ุจุนุถ
258
00:21:33,180 --> 00:21:39,700
ู†ุนู…ู„ ูƒุงู… ุฑุงุจุทุฉ ุฑุงุจุทุชูŠู† ุงู„ู†ูˆุน ุงู„ุซุงู„ุซ ููŠ ุงู„ general
259
00:21:39,700 --> 00:21:42,360
method ู„ ุงู„ preparation of the unicycle ุดูˆ ู‚ู„ู†ุง
260
00:21:42,360 --> 00:21:47,920
ุนู†ู‡ rearrangements rearrangement ู‡ุฐุง ู…ูˆุถูˆุน ุซุงู„ุซ
261
00:21:47,920 --> 00:21:54,980
ุงู„ุขู† ุงู„ cycloaddition reactions ุจู†ุงุก ุนู„ู‰ ุฐู„ูƒ ุฒูŠ ู…ุง
262
00:21:54,980 --> 00:22:01,350
ุจุนุฑููˆู‡ุง cycloaddition reaction is a pericyclic
263
00:22:01,350 --> 00:22:05,570
ู…ุนู†ู‰ pericyclic ุชูุงุนู„ ุจุชูƒูˆู† ููŠู‡ transition state
264
00:22:05,570 --> 00:22:12,330
ุชุจุนุชู‡ with a cyclic geometry ุชูุงุนู„ ู‡ุฐู‡ transition
265
00:22:12,330 --> 00:22:16,370
state ุนุงู…ู„ุฉ ุญู„ู‚ุฉ ูˆู„ุง ู„ุฃ ู‡ุฐู‡ ุงู„ู„ูŠ ุจุชูƒูˆู†ู‡ ุจุชุชูƒูˆู†
266
00:22:16,370 --> 00:22:20,830
ุฑูˆุจูˆุฑุช ู‡ุฐู‡ transition state cyclic ูˆู„ุง ู„ุฃ ู‡ุฐุง
267
00:22:20,830 --> 00:22:24,320
ุงู„ุชูุงุนู„ ุฅูŠุด ุจู†ุณู…ูŠู‡ ุฅุญู†ุงุŸ ุจู€ pericyclic reaction
268
00:22:24,320 --> 00:22:28,980
in which two or more unsaturated
269
00:22:28,980 --> 00:22:32,780
molecules or parts of molecules ูŠุนู†ูŠ ู‡ุงูŠ ุฌุฒูŠุฆุงู†
270
00:22:32,780 --> 00:22:36,440
ุงู„ู„ูŠ ุจุชู… ููŠู‡ ุฅู†ู‡ ุฌุฒูŠุฆุงู† ูˆุงู„ุฌุฒูŠุฆุงู† ุนุงุฏุฉ ุจูŠูƒูˆู†ูˆุง
271
00:22:36,440 --> 00:22:42,910
unsaturated ูŠุนู†ูŠ ููŠู‡ู… ุฅูŠุดุŸ double bonds ู…ุนูŠู†ูŠู† ูˆ
272
00:22:42,910 --> 00:22:47,430
ู…ู…ูƒู† ุทุจุนู‹ุง ุงู„ุฌุฒูŠุฆูŠู† ู‡ุฏูˆู„ ูŠูƒูˆู†ูˆุง ุฌุฒุก ู…ู† ุฌุฒุก ูˆุงุญุฏ
273
00:22:47,430 --> 00:22:52,130
ูˆุจุงู„ุชุงู„ูŠ ุจุฏู„ ู…ุชูุงุนู„ intermolecular ุดูˆ ู…ู…ูƒู† ูŠุตูŠุฑ
274
00:22:52,130 --> 00:22:56,270
intramolecular ุจุณ ุจุฑุถู‡ ุจูŠุนู…ู„ cycloaddition ู‡ู†ุดูˆู
275
00:22:56,270 --> 00:23:00,330
ุฃู…ุซู„ุฉ ุนู„ู‰ ุงู„ุฌู‡ุชูŠู† combined with the formation of a
276
00:23:00,330 --> 00:23:03,830
cyclic adduct in which there is an introduction of
277
00:23:03,830 --> 00:23:07,890
the bond multiplicity ูŠุนู†ูŠ ููŠ ูƒู„ ุงู„ุฃุญูˆุงู„ ุจุฒุงู… ุฃู†ุง
278
00:23:07,890 --> 00:23:14,810
ุนู…ู„ุช ุฑุงุจุทุชูŠู† ุจุฒุงู… ุฃู†ุง ุนู…ู„ุช ุฑุงุจุทุชูŠู† ู…ู† ู‚ุทุน ู…ุนูŠู†ุฉ
279
00:23:15,090 --> 00:23:18,550
ูˆุงู„ุฑุงุจุทุชูŠู† ุงู„ู„ูŠ ุนู…ู„ุชู‡ู… sigma ุงู„ุขู† ุงู„ pi bonds
280
00:23:18,550 --> 00:23:23,190
ู‡ูŠุฌูŠู„ู‡ ูˆู„ุง ู„ุฃ ุจุงู„ุชุฃูƒูŠุฏ ูˆุฃุดู‡ุฑ ู…ุซุงู„ ูˆุฃุณู‡ู„ ู…ุซุงู„
281
00:23:23,190 --> 00:23:28,330
ุงู„ูˆุงุญุฏ ูŠุฐูƒุฑ ููŠู‡ ุฃูŠ ู…ุซุงู„ ุงู„ู€ deals alder ูŠุนู†ูŠ ุชุฐูƒุฑูˆุง
282
00:23:28,330 --> 00:23:33,330
ุงู†ุชูˆุง ุงู„ู€ deals alder ู„ู…ุง ุฃุฌู‰ ุนู„ูŠู‡ ููŠ ุฃุตู„ู‡ ูƒุงู… bond
283
00:23:33,330 --> 00:23:40,230
ุนู†ุฏู‡ ุซู„ุงุซุฉ ุงู„ุขู† ู„ู…ุง ุฃุนู…ู„ ุงู„ู€ deals alder ุตุงุฑ
284
00:23:40,230 --> 00:23:44,250
ุนู†ุฏู‡ reduction of the bond multiplicity ูˆู„ุง ู„ุฃุŸ
285
00:23:44,250 --> 00:23:48,270
ู„ูŠุดุŸ ู„ุฃู†ู‡ ููŠ ุชู„ุชูŠู† ู…ู† ู‡ุฏูˆู„ ุงู„ู€ bond in
286
00:23:48,270 --> 00:23:52,330
principle ุงู„ู„ูŠ ุจู†ู‚ุฏุฑ ู†ุชุฎูŠู„ู‡ู… ูƒุฃู†ู‡ู… ุตุงุฑูˆุง sigma
287
00:23:52,330 --> 00:23:57,270
bonds ููˆุถุญ ุฅูŠุด ู…ุนู†ู‰ in which there is a net
288
00:23:57,270 --> 00:24:01,590
reduction of the bond multiplicityุŸ ุฃู‡ ุทุจุนู‹ุง ุงู„ู€
289
00:24:01,590 --> 00:24:06,850
deal's alder reaction ู‡ูˆ ุฃุญุฏ ุฃู†ูˆุงุน ุงู„ู€
290
00:24:06,850 --> 00:24:10,650
Cycloaddition Reactions ุงู„ู€ Cycloaddition
291
00:24:10,650 --> 00:24:15,790
Reactions ู‡ุฏูˆู„ ุงู„ู„ูŠ ู‚ู„ู†ุง ุจุฏูˆ ูŠูƒูˆู† ููŠู‡ู… ู‚ุทุนุชูŠู†
292
00:24:15,790 --> 00:24:20,730
ุณูˆุงุก ู…ูุตูˆู„ุงุช ุฃูˆ ู…ุดุจูˆูƒุงุช ู…ุน ุจุนุถ ูˆุงู„ู‚ุทุนุชูŠู† ููŠู‡ู…
293
00:24:20,730 --> 00:24:25,530
ฯ€ electrons ู‡ุฏูˆู„ ุงู„ู€ Cycloaddition Reactions ุนุฏุฉ
294
00:24:25,530 --> 00:24:31,400
ุฃู†ูˆุงุน ู…ู…ูƒู† ุฃู† ู†ุตู†ู ุงู„ู€ Cycloaddition Reaction
295
00:24:31,400 --> 00:24:35,160
ุงุนุชู…ุงุฏู‹ุง ุนู„ู‰ ุงู„ู€ Geometry ูŠุนู†ูŠ ุนู„ู‰ ุงู„ุดูƒู„ ุงู„ู‡ู†ุฏุณูŠ
296
00:24:35,160 --> 00:24:40,060
ูŠุนู†ูŠ ุฅูŠุด ุนุฏุฏ ุงู„ุฐุฑุงุช ุงู„ู…ุชูุงุนู„ุฉ ูˆุฅูŠุด ุญุฌู… ุงู„ุญู„ู‚ุฉ
297
00:24:40,060 --> 00:24:45,600
ุงู„ู†ุงุชุฌุฉ ูˆู…ู…ูƒู† ู†ุตู†ูู‡ู… ุงุนุชู…ุงุฏู‹ุง ุนู„ู‰ ุนุฏุฏ ุงู„ู€ ฯ€
298
00:24:45,600 --> 00:24:50,040
Electrons ุงู„ู…ุชูุงุนู„ุฉ ููŠ ูƒู„ ุฌุฒุฆูŠุฉ ุฎู„ู‘ูŠู†ุง ู†ุดูˆูู‡ู…
299
00:24:50,040 --> 00:24:56,530
ุงู„ุชูุงุนู„ ุงู„ุฃูˆู„ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ Chelotropic Reaction ู‡ุฐุง
300
00:24:56,530 --> 00:25:00,830
ุงู„ู€ Chelotropic reaction ู‡ูˆ ุญู‚ูŠู‚ุฉ ุงู„ู„ูŠ ู…ุฑ ุนู„ูŠู†ุง
301
00:25:00,830 --> 00:25:03,970
ู„ู…ุง ูƒู†ุง ู†ุงุฎุฏ ุงู„ู€ cycle addition of carbenes and
302
00:25:03,970 --> 00:25:09,280
nitrenes ู„ู…ุง ูƒู†ุง ู†ุงุฎุฏ ุงู„ูƒุฑุจูŠู† ูˆุงู„ู†ูŠุชุฑูŠู† ูˆู„ูˆ ุฃู†ุชูˆ
303
00:25:09,280 --> 00:25:13,140
ุจุณู‡ูˆู„ุฉ ุจุชูƒูˆู†ูˆุง ูƒู…ู„ุชูˆุง ุจู…ู†ุทู‚ ุงู„ุญุฑูƒุฉ ุงู„ุฅู„ูƒุชุฑูˆู†ูŠุฉ
304
00:25:13,140 --> 00:25:17,040
ู†ู‡ุงุฑุฏุฉ ู‡ู†ุง ูˆู†ู‡ุงุฑุฏุฉ ู‡ู†ุง ู‡ู†ุง ุทู„ุนู†ุง ุงู„ุญู„ู‚ุฉ ุงู„ุซู„ุงุซูŠุฉ
305
00:25:17,040 --> 00:25:21,580
ุทุจุนู‹ุง ู„ุงุญุธูˆุง ูƒู„ู…ุฉ Chelotropic ุฃูˆ Chelotropic
306
00:25:21,580 --> 00:25:26,320
ู‡ุชู„ุงู‚ูˆู‡ุง ุจุงู„ุงุณู…ูŠู† ู…ุง ุชุฏู‚ูˆุด ูƒุชูŠุฑ ุนู„ูŠู‡ุง ูŠุนู†ูŠ Chelo ูˆ
307
00:25:26,320 --> 00:25:31,980
Chelo ุจุชู„ุงู‚ูˆู‡ุง ู…ูˆุฌูˆุฏุฉ ุงู„ุขู† ู…ู† ู†ุงุญูŠุฉ ุงู„ู€ Geometry
308
00:25:31,980 --> 00:25:38,090
ูƒุงู… ุฐุฑุฉ ุงุชูุนู„ูˆุง ู…ุน ูƒุงู… ุฐุฑุฉ ูˆุงุญุฏ ุฒุงุฆุฏ ุงุซู†ูŠู† ุฃุนุทู‰
309
00:25:38,090 --> 00:25:42,190
ุญู„ู‚ุฉ ุซู„ุงุซูŠุฉ ูู‡ู…ู†ุง ุฅูŠุด ู…ุนู†ุงู‡ ุงู„ุฌูŠูˆู…ุชุฑูŠ ุฅู†ู‡ ุงุชูุนู„
310
00:25:42,190 --> 00:25:47,450
ุงู„ุฐุฑุฉ ู…ุน ุฐุฑุชูŠู† ุงุนู…ู„ูˆู„ูŠ ุญู„ู‚ุฉ ุซู„ุงุซูŠุฉ ู„ูƒู† ู…ู† ู†ุงุญูŠุฉ ุงู„ู€
311
00:25:47,450 --> 00:25:52,210
ฯ€ electrons ู„ู…ุงุฐุง ุจุฏูŠ ุฃุตู†ู ูƒู€ ฯ€ electrons ู‡ุงูŠ ฯ€
312
00:25:52,210 --> 00:25:57,380
electrons ุฅุฐุงู‹ ู‡ุฐุง ูƒู€ ฯ€-electrons ุฅูŠุด ุจุชุตู†ูุŸ two
313
00:25:57,380 --> 00:26:01,960
plus two ฯ€-electrons ูˆุงุถุญุฉ ุงู„ููƒุฑุฉุŸ ูุงู„ู€ geometry
314
00:26:01,960 --> 00:26:06,480
ุดูŠุก ูˆุงู„ู€ ฯ€-electrons ุดูŠุก ุงู„ุขู† ู„ูˆ ุฃุฎุฏุช ู‡ุฐุง
315
00:26:06,480 --> 00:26:11,780
ุงู„ุชูุงุนู„ ู‡ุฐุง ุงู„ุชูุงุนู„ ุญุฑูƒุฉ ู‡ุฐูŠ ูˆู‡ุฐูŠ ู‡ูŠ ู†ุนู…ู„ู†ุง
316
00:26:11,780 --> 00:26:15,960
ุงู„ุญู„ู‚ุฉ ุงู„ุฑุจุงุนูŠุฉ ุงู„ุขู† ู…ู† ู†ุงุญูŠุฉ ุงู„ุดูƒู„ ุงู„ู‡ู†ุฏุณูŠ ุงุซู†ูŠู†
317
00:26:15,960 --> 00:26:20,800
ุฒุงุฆุฏ ุงุซู†ูŠู† ุจูŠุนุทูŠู†ุง ุญู„ู‚ุฉ ุฑุจุงุนูŠุฉ ูˆู…ู† ู†ุงุญูŠุฉ ุงู„ู€ ฯ€
318
00:26:20,800 --> 00:26:26,980
-electrons two plus two ูˆุงุถุญุŸ ุทุจุนู‹ุง ู‡ุฐุง ุงู„ุชูุงุนู„ ุฅูŠุด
319
00:26:26,980 --> 00:26:31,180
ุจูŠุณู…ูˆู‡ุŸ ู‡ุฐุง ุงู„ูˆุญูŠุฏ ุงู„ู„ูŠ ู…ุงู„ูˆุด ุงุณู… ู‡ูŠูƒ ู„ุง ุจุดุฑูŠ ูˆู„ุง
320
00:26:31,180 --> 00:26:35,460
ุญุฌุฑูŠ ู‡ุฐุง ุจูŠุณู…ูˆู‡ two plus two cycloaddition ุฒูŠ ู…ุง ู‡ูˆ
321
00:26:35,460 --> 00:26:40,560
ูŠุนู†ูŠ ู„ู…ุง ุจูŠุณู…ูˆู‡ ุจูŠู‚ูˆู„ูˆุง ุนู†ู‡ two plus two
322
00:26:40,560 --> 00:26:47,120
cycloaddition ุงู„ุขู† ู…ู…ูƒู† ู†ุงุฎุฏ ู…ุซุงู„ ุฅุถุงููŠ ู‡ุงูŠ ู‡ุฐู‡
323
00:26:47,120 --> 00:26:52,060
ุงู„ุฐุฑุฉ ุจุชุญู…ู„ five electrons ูˆู‡ูŠ ู‡ู†ุง ูƒู…ุงู† ุงุซู†ูŠู†
324
00:26:54,800 --> 00:27:04,460
ุงู„ุขู† ูƒุดูƒู„ ู‡ู†ุฏุณูŠ ุฐุฑุฉ ู…ุน ุฃุฑุจุนุฉ ุฅูŠุด ู‡ุชูƒูˆู†ุŸ ูˆุงุญุฏ ุงู„ู†ุงุณ
325
00:27:04,460 --> 00:27:10,820
ุจูŠู‚ูˆู„ูˆุง ุฌู„ุฉ ุฃุชู…ู†ู‰ ู„ุง ูŠุฎุทุฆ ูˆุงุญุฏ ุฒุงุฆุฏ ุฃุฑุจุนุฉ ุฎู…ุณุฉ ูˆุงุถุญ
326
00:27:10,820 --> 00:27:14,900
ูู…ู† ู†ุงุญูŠุฉ ุงู„ุฌูŠูˆู…ุชุฑูŠ ู‡ุฐุง ุจูŠุนุทูŠ ุญู„ู‚ุฉ ุฎู…ุงุณูŠุฉ ู„ูƒู† ู…ู†
327
00:27:14,900 --> 00:27:21,330
ู†ุงุญูŠุฉ ุงู„ู€ ฯ€ electrons two plus four ูˆุงุถุญุŸ ุงู„ุขู† ู‡ุฐุง
328
00:27:21,330 --> 00:27:26,390
ุฃู†ู‡ ุฃูŠุถู‹ุง ุงู„ู€ Chelotropic reaction ู„ูŠุดุŸ ุงู„ู€
329
00:27:26,390 --> 00:27:30,510
Chelotropic reaction ู‡ูˆ ุงู„ุชูุงุนู„ ุงู„ู„ูŠ ุงุซู†ุชูŠู† ุงู„ู€ ฯ€
330
00:27:30,510 --> 00:27:34,210
sigma bonds ุจุชูƒูˆู† ููŠู‡ ุนู„ู‰ ู†ูุณ ุงู„ุฐุฑุงุน ูŠุนู†ูŠ ู‡ุงูŠ ุงู„ุฐุฑุงุน
331
00:27:34,210 --> 00:27:39,030
ู‡ุงุฏ ุงู„ู€ X ุงุซู†ุชูŠู† ุงู„ู€ ฯ€ sigma bonds ุนู„ู‰ ุงู„ู€ X ูˆู„ุง ู„ุฃุŸ
332
00:27:39,030 --> 00:27:42,830
ู‡ุงูŠ ู…ุนู†ุงู‡ ุงู„ู€ Chelotropic reaction ุฅู†ู‡ ุฑุงุจุทุชูŠู† ุงู„ู€
333
00:27:42,830 --> 00:27:47,200
sigma ุจูŠูƒูˆู†ูˆุง ุนู„ู‰ ู†ูุณ ุงู„ุฐุฑุงุน ุงู„ุขู† ู‡ุงูŠ ุงู„ู€ A ุงู„ุขู† ุงู„ู€
334
00:27:47,200 --> 00:27:56,340
two new sigma bonds ุนู„ู‰ ุงู„ู€ a ูˆู„ุง ู„ุฃุŸ ู‡ูŠ
335
00:27:56,340 --> 00:28:01,320
ุงู„ุฐุฑุฉ ูˆุนู„ูŠู‡ุง two new sigma bonds ุนุดุงู† ู‡ูŠูƒ ู‡ุฏูˆู„
336
00:28:01,320 --> 00:28:04,680
ู‡ูŠ ุงู„ู…ูู‡ูˆู… ุงู„ู„ูŠ ุชุดูŠู„ู‡ ุงู„ู€ Tropic reaction ู‡ุฏูŠ ู†ุธู„ู…
337
00:28:04,680 --> 00:28:08,340
ุฎู„ู‘ูŠู†ุง ุทูˆู„ู‡ ุงุญู†ุง ุญุงุทูŠู† ุงู„ู€ slide ุฅู†ู‡ ู‡ุฏูŠ ูˆุงุญุฏ ุฒุงุฆุฏ
338
00:28:08,340 --> 00:28:12,600
ุฃุฑุจุนุฉ ุงู„ุขู† ู‡ุฐุง ุงู„ู†ูˆุน ุงุณู…ู‡ one three dipolar
339
00:28:12,600 --> 00:28:15,580
cycloaddition ู‡ุฐุง ุงู„ู€ one three dipolar
340
00:28:15,580 --> 00:28:20,700
cycloaddition ู‡ูˆ ุฃูˆุณุน ุงู„ุฃู†ูˆุงุน ูˆุฃูƒุซุฑู‡ุง ุงู†ุชุดุงุฑู‹ุง ู‡ุฐุง
341
00:28:20,700 --> 00:28:26,620
ุนู„ูŠู‡ ู…ูˆุณูˆุนุงุช ู‡ุฐุง ุงู„ุชูุงุนู„ ุนู„ูŠู‡ ู…ูˆุณูˆุนุงุช ุนู„ูŠู‡ ุขู„ุงู
342
00:28:26,620 --> 00:28:30,740
ู…ุคู„ูุฉ ูˆุนุดุฑุงุช ุงู„ุขู„ุงู ู…ู† ุงู„ุชูุงุนู„ุงุช ู…ูˆุฌูˆุฏุฉ ุนู„ูŠู‡
343
00:28:30,740 --> 00:28:35,340
ุฃุดูƒุงู„ ูˆุฃู„ูˆุงู† ุงู„ุขู† ุทุจุนู‹ุง ูƒู€ Geometry ู‡ุงูŠ ุงุซู†ูŠู† ูˆู‡ุงูŠ
344
00:28:35,340 --> 00:28:40,700
ุฃุฑุจุนุฉ ูˆู‡ุงูŠ ุณุชุฉ ุชุนู…ู„ูˆุง ุญุฑูƒุฉ ุงุซู†ูŠู† ุซู„ุงุซุฉ ุจูŠุนุทูŠู†ุง
345
00:28:40,700 --> 00:28:45,460
ุงู„ุญู„ู‚ุฉ ุงู„ุฎู…ุงุณูŠุฉุŒ ุฅุฐุง ู‡ุฐุง ู…ู† ู†ุงุญูŠุฉ ุงู„ู€ GeometryุŒ
346
00:28:45,460 --> 00:28:49,420
ุฐุฑุชูŠู† ุฒูŠ ุงู„ุซู„ุงุซ ุฐุฑุงุช ุดุจู‡ู… ูŠุนุทูˆู†ูŠ ุฎู…ุณ ุฐุฑุงุชุŒ two
347
00:28:49,420 --> 00:28:53,660
plus three is fiveุŒ ู„ูƒู† ู…ู† ู†ุงุญูŠุฉ ุงู„ู€ Bi-electronsุŒ
348
00:28:53,660 --> 00:29:00,650
two plus four ูˆุงุถุญุŸ ุงู„ุขู† ุขุฎุฑ ุชูุงุนู„ ุงู„ู„ูŠ ู…ุดู‡ูˆุฑ ุฌุฏู‹ุง
349
00:29:00,650 --> 00:29:04,210
ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ deals alder reaction ุงู„ู„ูŠ ุฑุจู…ุง ู…ุฑ ุนู„ูŠูƒู…
350
00:29:04,210 --> 00:29:08,970
ู‡ูŠ ุนู†ุฏูŠ ุงุซู†ูŠู† ูˆุฃุฑุจุนุฉ ุณุชุฉ ุงู„ุขู† ู…ู† ู†ุงุญูŠุฉ ุงู„ู€ ฯ€
351
00:29:08,970 --> 00:29:14,330
electrons ุจุฑุถู‡ two plus four ูู…ู† ุงู„ุฌูŠูˆู…ุชุฑูŠ ู‡ูˆ two
352
00:29:14,330 --> 00:29:17,110
plus four ุจูŠุนุทูŠ ุญู„ู‚ุฉ ุณุฏุงุณูŠุฉ ูˆุงู„ู€ ฯ€ electrons two
353
00:29:17,110 --> 00:29:21,310
plus four ู„ุงุญุธูˆุง ู…ุซู„ู‹ุง ุงู„ู€ one three dipolar cycle
354
00:29:21,310 --> 00:29:24,610
addition ูˆุงู„ู€ deals alder reaction ู…ู† ู†ุงุญูŠุฉ ุงู„ู€ ฯ€
355
00:29:24,610 --> 00:29:29,720
electrons ู†ูุณ ุงู„ุดูŠุก two plus four ูˆู„ุฐู„ูƒ ุงู„ู„ูŠ ุจูŠูู‡ู…
356
00:29:29,720 --> 00:29:33,480
ุงู„ู€ mechanism ู„ู„ู€ one three dipolar cycloaddition
357
00:29:33,480 --> 00:29:37,460
ุจุนุฏู‡ ู…ุง ุจู†ุฑุฌุน ู†ุดุฑุญ ู„ู‡ ู…ุฑุฉ ุซุงู†ูŠุฉ ุงู„ู€ mechanism ู„ู„ู€
358
00:29:37,460 --> 00:29:41,240
deals alder reaction ูŠุนู†ูŠ ุงุญู†ุง ุจู†ุดุฑุญ ุงู„ู€ mechanism
359
00:29:42,100 --> 00:29:44,840
ู„ู„ู€ one three dipolar cycle addition ุจู†ูˆุน ู…ู†
360
00:29:44,840 --> 00:29:49,280
ุงู„ุชูุตูŠู„ ุจุฑุณู… ุงู„ู€ orbitals ู…ุง ุฅู„ู‰ ุฐู„ูƒ ูˆุจุนุฏูŠู† ู„ู…ุง
361
00:29:49,280 --> 00:29:53,080
ู†ูŠุฌูŠ ู†ุญูƒูŠ deals ุฃู„ุฏุฑ ุจู†ู‚ูˆู„ ุฒูŠ ุงู„ู€ one three dipolar
362
00:29:53,080 --> 00:29:56,520
cycle addition ูˆุฎู„ุงุต ุทุจุนู‹ุง ุฃู†ุง ุฏุงุฆู…ู‹ุง ูˆุฃุจุฏู‹ุง ุงู„ู„ูŠ
363
00:29:56,520 --> 00:30:01,580
ุจุฃุญุฐุฑ ู…ู†ู‡ ุฅูŠุด ู‡ูˆ ุฅู†ู‡ ุฃู†ุชูˆ ุชููƒุฑูˆุง ุฅู† ุฑุณูˆู…ุงุช ุงู„ุฃุณู‡ู…
364
00:30:01,580 --> 00:30:06,950
ู‡ุฐู‡ ุฅู† ู‡ูŠ ุชู…ุซู„ ู…ูŠูƒุงู†ูŠุฒู… ู„ุฃ ู‡ูŠ pathway ูู‚ุท ุทุฑูŠู‚ุฉ
365
00:30:06,950 --> 00:30:11,090
ู„ูƒุชุงุจุฉ ุงู„ู†ูˆุงุชุฌ ู„ูƒู† ู„ู…ุง ุจุฏู†ุง ู†ูŠุฌูŠ ุนู„ู‰ ุงู„ู…ูŠูƒุงู†ูŠุฒู…
366
00:30:11,090 --> 00:30:13,830
ุจุนุฏ ู…ุง ู†ุชุนุฑู ุฃู„ูˆุงู† ุงู„ู€ three dipoles ู‡ู†ู‚ูˆู„
367
00:30:13,830 --> 00:30:18,870
ุงู„ู…ูŠูƒุงู†ูŠุฒู… ู‡ูŠ slide ุงุซู†ูŠู† ุซู„ุงุซุฉ ุฃุฑุจุนุฉ ุฎู…ุณุฉ ุณุชุฉ
368
00:30:18,870 --> 00:30:24,610
ุณุจุนุฉ ูƒู„ ู‡ุฐุง ุงู„ู…ูŠูƒุงู†ูŠุฒู… ูŠุงุจุฏ ู†ู‚ูˆู„ concerted
369
00:30:24,610 --> 00:30:28,630
mechanismุŒ ูŠุงูุฑูŠ ุฑุงุฏูŠูƒู„ ู…ูŠูƒุงู†ูŠุฒู…ุŒ ู‡ู†ูุฑุฏู„ู‡ุง ู…ุญุงุถุฑุฉุŒ
370
00:30:28,630 --> 00:30:32,610
ุจุณ ุจุงู„ุชุฃูƒูŠุฏ ู…ุง ุจุฏูŠุด ูŠุงูƒูˆุง ุชูู‡ู…ูˆุง ุฅู†ู‡ ุฃู†ุง ููŠ ุงู„ู€
371
00:30:32,610 --> 00:30:35,310
deals ุฃู„ุฏุฑ ู„ู…ุง ุจุฑุณู… ู…ู†ู‡ุงุŒ ุชูŠุด ุจุนู…ู„ ุณุงู… ุงุซู†ูŠู†ุŒ
372
00:30:35,310 --> 00:30:38,150
ุซู„ุงุซุฉุŒ ุฅู†ู‡ this is the mechanism of the reaction
373
00:30:39,050 --> 00:30:42,150
mechanism of the reaction is either concerted or
374
00:30:42,150 --> 00:30:44,810
free radical mechanismุŒ ุฅูŠุด ู…ุนู†ุงู‡ concerted
375
00:30:44,810 --> 00:30:49,050
mechanismุŒ ุฅูŠุด ู…ุนู†ุงู‡ free radical mechanismุŒ ููŠ ุงู„ู€
376
00:30:49,050 --> 00:30:51,610
one-three-dipolar cycloaddition ูˆููŠ ุงู„ู€ deals and
377
00:30:51,610 --> 00:30:54,230
the reactionุŒ ู‡ุฐุง ุฅู† ุดุงุก ุงู„ู„ู‡ ุงู„ู„ูŠ ุจูŠูƒูˆู† ู…ูˆุถูˆุน
378
00:30:54,230 --> 00:30:59,750
ุฏุฑุณู†ุง ููŠ ุงู„ู…ุฑุฉ ุงู„ู‚ุงุฏู…ุฉุŒ ููŠ ุงู„ู…ุฑุฉ ุงู„ู‚ุงุฏู…ุฉุŒ ุฅู† ุดุงุก
379
00:30:59,750 --> 00:31:03,330
ุงู„ู„ู‡ ูˆุฅุฐุง ุงู„ุชู‚ูŠู†ุง ู…ุนูƒู… ุนู„ู‰ ุฎูŠุฑ ููŠ ุงู„ู…ุฑุฉ ุงู„ู‚ุงุฏู…ุฉ