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：
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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.
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页码：881 / 884
页数：4
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