Synthesis of 9-methoxy and 9-acetoxy-3-amino-1-(4-methoxyphenyl)-1H-benzo[f]chromene-2-carbonitriles via 2-(imino-piperidin-1-yl-methyl)-3-(4-methoxyphenyl)acrylonitrile as intermediate

被引：0
|
作者：
El-Agrody, AM [1 ]
Eid, FA [1 ]
Emam, HA [1 ]
Mohamed, HM [1 ]
Bedair, AH [1 ]
机构：
[1] Al Azhar Univ, Fac Sci, Dept Chem, Nasr City 11884, Cairo, Egypt
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 2002年 / 57卷 / 05期
关键词：
nitriles; benzo[f]chromenes; heterocyclic organic synthesis;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Several new 1H-benzo[f]chromene derivatives (3a-d) were prepared by the reaction of 7-substituted-2-naphthols (1a,b) with substituted alpha-cyano-4-methoxycinnamonitriles (2a,b) together with 2-(imino-piperidin-1-yl-methyl)-3-(4-methoxyphenyl)acrylonitrile (4) as intermediate. Also, the reaction of la,b with 4 without catalyst afforded 9-methoxy and 9-acetoxy3-amino-1-(p-methoxyphenyl)-1H-benzo[f]chromene-2-carbonitrile (3b,e). The reaction of 3a,b with different electrophilic and nucleophilic reagents afforded the 12H-7-oxa-8,10-diazabenzo[a]anthracene derivatives 5, 9, 10 and 1H-benzo[f]chromene derivatives 6-8, 11.
引用
收藏
页码：579 / 585
页数：7
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