SYNTHESIS AND APPLICATION OF IMIDAZOLE DERIVATIVES - SYNTHESIS OF PYRIDO[1,2-A]BENZIMIDAZOLONE DERIVATIVES

被引：14
|
作者：
OHTA, S
YUASA, T
NARITA, Y
KAWASAKI, I
MINAMII, E
YAMASHITA, M
机构：
来源：
HETEROCYCLES | 1991年 / 32卷 / 10期
关键词：
D O I：
10.3987/COM-91-5805
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Pyrido[1,2-a]benzimidazole derivatives (12a and 19a) were synthesized in moderate yields via an intramolecular aldol-condensation of 2-acetyl-1-formylmethylbenzimidazole (11) and an intramolecular acylation of the acylimidzolide (18) prepared from 2-ethoxycarbonylmethyl-1-(2-carboxyethyl)-benzimidazole (17), respectively.
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收藏
页码：1923 / 1931
页数：9
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