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The Journal of Organic Chemistry

Cyclizations of. omega.-allenyl radicals

M Apparu, JK Crandall

文献索引：Apparu, Marcel; Crandall, Jack K. Journal of Organic Chemistry, 1984 , vol. 49, # 12 p. 2125 - 2130

全文：HTML全文

被引用次数: 44

摘要

Allenyl halides of structure (CH3) 2C= C= CH (CH2), X with n= 3-6 have been prepared and reacted with n-Bu3SnH to generate the corresponding radicals for examination of the cyclization reactions of these reactive intermediates. The observed hydrocarbon products indicate that cyclization occurs for the n= 3, 4, and 5 radicals but not for the n= 6 species. The n= 3 radical isomerizes very efficiently by intramolecular addition to the sp carbon of ...

3-甲基-1,2-丁二烯结构式

3-甲基-1,2-丁二烯

~%

Isopropylidenecyclohexane结构式

Isopropylidenec...

1-bromo-3-methylbuta-1,2-diene结构式

1-bromo-3-methy...

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Isopropylidenecyclohexane结构式

Isopropylidenec...

异丙基溴化镁结构式

异丙基溴化镁

环己酮结构式

~%

Isopropylidenecyclohexane结构式

Isopropylidenec...

1-异丙基-1-环己烯结构式

1-异丙基-1-环己烯

未登录结构式

~%

6-methyl-hepta-4,5-dienylamine结构式

6-methyl-hepta-...

Isopropylidenecyclohexane结构式

Isopropylidenec...

1-异丙基-1-环己烯结构式

1-异丙基-1-环己烯

详细

1-bromo-3-methylbuta-1,2-diene结构式

1-bromo-3-methy...

~72%

3-甲基-1,2-丁二烯结构式

3-甲基-1,2-丁二烯

甲基锂结构式

2-(1-Propynyl)tetrahydrofuran结构式

2-(1-Propynyl)t...

~94%

6-methylhepta-4,5-dien-1-ol结构式

6-methylhepta-4...

未登录结构式

~74%

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

6-methylhepta-4,5-dien-1-ol结构式

6-methylhepta-4...

~%

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

2-(1-Propynyl)tetrahydrofuran结构式

2-(1-Propynyl)t...

~%

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

1-(2-tetrahydropyranyloxy)-6-methyl-hepta-4,5-diene结构式

1-(2-tetrahydro...

~%

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

3-甲基-1,2-丁二烯结构式

3-甲基-1,2-丁二烯

~%

1-异丙基-1-环己烯结构式

1-异丙基-1-环己烯

1-bromo-3-methylbuta-1,2-diene结构式

1-bromo-3-methy...

~%

1-异丙基-1-环己烯结构式

1-异丙基-1-环己烯

异丙基溴化镁结构式

异丙基溴化镁

环己酮结构式

~%

Isopropylidenecyclohexane结构式

Isopropylidenec...

1-异丙基-1-环己烯结构式

1-异丙基-1-环己烯

未登录结构式

~%

6-methyl-hepta-4,5-dienylamine结构式

6-methyl-hepta-...

Isopropylidenecyclohexane结构式

Isopropylidenec...

1-异丙基-1-环己烯结构式

1-异丙基-1-环己烯

详细

异丙基溴化镁结构式

异丙基溴化镁

环庚酮结构式

~%

ISO-PROPYLIDENECYCLOHEPTANE结构式

ISO-PROPYLIDENE...

1-Isopropylcycloheptene结构式

1-Isopropylcycl...

6-methylhepta-4,5-dien-1-ol结构式

6-methylhepta-4...

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

2-(1-Propynyl)tetrahydrofuran结构式

2-(1-Propynyl)t...

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

1-(2-tetrahydropyranyloxy)-6-methyl-hepta-4,5-diene结构式

1-(2-tetrahydro...

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

未登录结构式

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

1-异丙基环戊烯结构式

1-异丙基环戊烯

2-methylhepta-2,3-diene结构式

2-methylhepta-2...

异丙基溴化镁结构式

异丙基溴化镁

环戊酮结构式

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

1-异丙基环戊烯结构式

1-异丙基环戊烯

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

1-异丙基环戊烯结构式

1-异丙基环戊烯

3-甲基-1,2-丁二烯结构式

3-甲基-1,2-丁二烯

~%

2-methylprop-1-enylcyclohexane结构式

2-methylprop-1-...

1-bromo-3-methylbuta-1,2-diene结构式

1-bromo-3-methy...

~%

2-methylprop-1-enylcyclohexane结构式

2-methylprop-1-...

1-Iodo-8-methyl-6,7-nonadiene结构式

1-Iodo-8-methyl...

~%

2-Methyl-2,3-nonadiene结构式

2-Methyl-2,3-no...

2-methylprop-1-enylcyclohexane结构式

2-methylprop-1-...

trans-2-methyl-2,4-nonadiene结构式

trans-2-methyl-...

1,6-二碘己烷结构式

1,6-二碘己烷

~%

2-methyldeca-1,3-diene结构式

2-methyldeca-1,...

3-甲基-1,2-丁二烯结构式

3-甲基-1,2-丁二烯

~%

2-methyldeca-1,3-diene结构式

2-methyldeca-1,...

1-bromo-3-methylbuta-1,2-diene结构式

1-bromo-3-methy...

~%

2-methyldeca-1,3-diene结构式

2-methyldeca-1,...

未登录结构式

~%

2-methyldeca-1,3-diene结构式

2-methyldeca-1,...

未登录结构式

2-Methyl-2,4-decadiene结构式

2-Methyl-2,4-de...

6-methylhepta-4,5-dien-1-ol结构式

6-methylhepta-4...

~%

1-异丙基环戊烯结构式

1-异丙基环戊烯

2-(1-Propynyl)tetrahydrofuran结构式

2-(1-Propynyl)t...

~%

1-异丙基环戊烯结构式

1-异丙基环戊烯

1-(2-tetrahydropyranyloxy)-6-methyl-hepta-4,5-diene结构式

1-(2-tetrahydro...

~%

1-异丙基环戊烯结构式

1-异丙基环戊烯

未登录结构式

~%

1-异丙基环戊烯结构式

1-异丙基环戊烯

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

1-异丙基环戊烯结构式

1-异丙基环戊烯

2-methylhepta-2,3-diene结构式

2-methylhepta-2...

异丙基溴化镁结构式

异丙基溴化镁

环戊酮结构式

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

1-异丙基环戊烯结构式

1-异丙基环戊烯

7-bromo-2-methylhepta-2,3-diene结构式

7-bromo-2-methy...

~%

Isopropylidenecyclopentane结构式

Isopropylidenec...

1-异丙基环戊烯结构式

1-异丙基环戊烯

BF 3· OEt 2 promotes fast, mild, clean and regioselective de...

[Posner; Shulman-Roskes; Oh; Carry; Green; Clark; Dai; Anjeh Tetrahedron Letters, 1991 , vol. 32, # 45 p. 6489 - 6492]

New synthesis of olefins

[Kornblum,N. et al. Journal of the American Chemical Society, 1971 , vol. 93, p. 4316 - 4318]

Dehydration of Alcohols, Diols, and Related Compounds in Dim...

[Traynelis,V.J. et al. Journal of Organic Chemistry, 1964 , vol. 29, p. 123 - 129]

Dehydration of Alcohols, Diols, and Related Compounds in Dim...

[Traynelis,V.J. et al. Journal of Organic Chemistry, 1964 , vol. 29, p. 123 - 129]

Investigations on selective bromination of tertiary hydrogen...

[Siegmann,R.H. et al. Recueil des Travaux Chimiques des Pays-Bas, 1964 , vol. 83, p. 67 - 80]