BRIDGED 2,2'-BIAZOLE DERIVATIVES BY 1,3-DIPOLAR CYCLOADDITION

被引：11

作者：

DEPABLO, MS ^{[1
]}

GANDASEGUI, T ^{[1
]}

VAQUERO, JJ ^{[1
]}

NAVIO, JLG ^{[1
]}

ALVAREZBUILLA, J ^{[1
]}

机构：

[1] UNIV ALCALA DE HENARES, DEPT QUIM ORGAN, ALCALA DE HENARES, SPAIN

来源：

TETRAHEDRON | 1992年 / 48卷 / 40期

关键词：

D O I：

10.1016/S0040-4020(01)89452-7

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Azomethine ylides derived from 3,4-dihydropyrrolo[1,2-a]pyrazinium salts undergo 1,3-dipolar cycloaddition reactions to yield 5,6-dihydrodipyrrolo[1,2-a:2',1'-c]-pyrazine and 5,6-dihydroimidazo[1,2-a]-pyrrolo[2,1-c]pyrazin-4-inium-2-olate and 2-thiolate derivatives. S-Methylation followed by nucleophilic displacement of methylthio group convened the 2-thiolate derivatives into new conjugated betaines.

引用

页码：8793 / 8800

页数：8

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