4-ALKOXY-3-CYANO-2(1H)-PYRIDONES AND 5-ALKOXYISOXAZOLES AND THEIR ARYL SUBSTITUTED AND ANNULATED DERIVATIVES FROM ACYLKETENE O,S-ACETALS

被引：0

作者：

PURKAYASTHA, ML ^{[1
]}

BHAT, L ^{[1
]}

ILA, H ^{[1
]}

JUNJAPPA, H ^{[1
]}

机构：

[1] NE HILL UNIV,DEPT CHEM,SHILLONG 793003,MEGHALAYA,INDIA

来源：

SYNTHESIS-STUTTGART | 1995年 / 06期

关键词：

ACYLKETENE O; S-ACETALS; 4-ALKOXY-3-CYANO-2(1H)-PYRIDONES; 5-ALKOXYISOXAZOLES; ACYLKETENE DITHIOACETALS; CYCLOCONDENSATION;

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The title pyridones 2 and 5 and the isoxazoles 3 and 6 are obtained in moderate to good yields by cyclocondensation of the appropriate acylketene O,S-acetals 1 or 4 with cyanoacetamide and hydroxylamine hydrochloride, respectively, in the presence of sodium alkoxide/alkanol.

引用

页码：641 / 643

页数：3

共 15 条

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