SYNTHESES OF CHROMENES AND AZACHROMENES - 2H-1-BENZOPYRAN, 2H-PYRANO[3,2-B]PYRIDINE, 2H-PYRANO[2,3-C]PYRIDINE, AND DERIVATIVES

被引：0

作者：

BILLERET, D ^{[1
]}

BLONDEAU, D ^{[1
]}

SLIWA, H ^{[1
]}

机构：

[1] UNIV LILLE 1,CHIM ORGAN & ENVIRONNEMENT LAB,F-59655 VILLENEUVE DASCQ,FRANCE

来源：

SYNTHESIS-STUTTGART | 1993年 / 09期

关键词：

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

2H-1-Benzopyran and derivatives have been prepared by an intramolecular Wittig reaction in a heterogeneous medium starting from salicylaldehyde, (2-hydroxyalkyl)triphenylphosphonium salts, and potassium carbonate. Extension of this reaction to various o-hydroxyformylpyridines were performed in order to obtain 2H-pyrano[3,2-b]pyridine, 2H-pyrano[2,3-c]pyridine, and derivatives.

引用

页码：881 / 884

页数：4

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