SYNTHESIS OF SOME NEW NITROGEN BRIDGE-HEAD PYRIDO[1,2,4]TRIAZEPINES

被引：16

作者：

Abdel-Megid, M. ^{[1
]}

机构：

[1] Ain Shams Univ, Fac Educ, Dept Chem, Cairo, Egypt

来源：

CHEMISTRY OF HETEROCYCLIC COMPOUNDS | 2009年 / 45卷 / 12期

关键词：

pyridotriazepines; pyridotriazines; triazolopyridines; POLYFUNCTIONALLY SUBSTITUTED HETEROAROMATICS; 1,3-DIPOLAR CYCLOADDITION; DERIVATIVES; ROUTE; AGENTS;

D O I：

10.1007/s10593-010-0460-y

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Ring closure reactions of 1,6-diamino-4-(4-chlorophenyl)-2-oxopyridine-3,5-dicarbonitrile with various 1,3-dielectrophiles, namely, diethyl malonate, ethyl ethoxymethylenecyanoacetate, 2-cyano3,3- bis(methylthio) acrylonitrile, dimethyl acetylenedicarboxylate, dehydroacetic acid, chromone3- carbonitrile, and 3-formylchromone led to the formation of the target biheterocyclic 1,2,4-triazepines. The reactions with 3-phenylazo-2,4-pentadione, ethyl alpha-cyano-a-phenylazoacetate, and 3,1-benzoxazin- 4-one derivative are also described.

引用

页码：1523 / 1531

页数：9

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