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
收藏
页码：4175 / 4186
页数：12
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