IMINOPHOSPHORANE-MEDIATED SYNTHESIS OF FUSED CARBAZOLES - A FACILE ONE-POT PREPARATION OF 7H-PYRIDO [4,3-C]CARBAZOLE AND 10H-PYRIDO[3,4-B]CARBAZOLE DERIVATIVES

被引：18

作者：

MOLINA, P

FRESNEDA, PM

ALMENDROS, P

机构：

[1] Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Murcia, E-30071 Murcia, Campus de Espinardo

来源：

TETRAHEDRON | 1991年 / 47卷 / 24期

关键词：

D O I：

10.1016/S0040-4020(01)86454-1

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The aza Wittig-type reaction of iminophosphorane 3, ethyl alpha-[(triphenylphosphoranylidene) amino]-beta-[3-(9-methyl)carbazolyl)acrylate with isocyanates leads to the corresponding pyrido[4,3-c]carbazoles 5. Similarly, iminophosphorane 8 undergoes pyrido annelation by reaction with isocyanates to give the isomeric 10H-pyrido [3,4-b]carbazoles (isoellipticines) 10.

引用

页码：4175 / 4186

页数：12

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