METHYL 2-BENZOYLAMINO-3-DIMETHYLAMINOPROPENOATE IN THE SYNTHESIS OF HETEROCYCLIC-SYSTEMS - AN ATTEMPT TO PREPARE BENZOYLAMINO SUBSTITUTED AZOLOPYRIMIDINES AND AZINOPYRIMIDINES WITH A BRIDGEHEAD NITROGEN ATOM

被引:21
|
作者
STANOVNIK, B
VANDEBOVENKAMP, H
SVETE, J
HVALA, A
SIMONIC, I
TISLER, M
机构
关键词
D O I
10.1002/jhet.5570270247
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Methyl 2‐benzoylamino‐3‐dimethylaminopropenoate (2) was introduced as a new reagent for the preparation of fused pyrimidinones 4 from heterocyclic α‐amino compounds in acetic acid. In this manner, derivatives of pyrido[1,2‐a]pyrimidine 4a,b,f, pyrimido[1,2‐b]pyridazine 4g, pyrimido[1,2‐c]pyrimidine 4j, pyrazino[1,2‐a]pyrimidine 4k, thiazolo[2,3‐b]pyrimidine 41, pyrazolo[1,5‐a]pyrimidine 4m, and 1,2,4‐triazolo‐[1,5‐a]pyrimidine 4n were prepared. Copyright © 1990 Journal of Heterocyclic Chemistry
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页码:359 / 361
页数:3
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