SYNTHESIS OF SOME ISOMERIC 4-ETHOXYCARBONYL-3-(1-HYDROXYALKLY AND 5-(1-HYDROXYALKYL AND 2-HYDROXYALKYL(-1,3-DIMETHYLPYRAZOLES AND 1,5-DIMETHYLPYRAZOLES FROM 3-(2H)FURANONES AND 2,3-DIHYDRO-4-PYRONES

被引:17
作者
GELIN, S
DESHAYES, C
CHABANNET, M
机构
[1] Laboratoire de Chimie Organique, Institut National des Sciences Appliquées, Villeurbanne
关键词
D O I
10.1002/jhet.5570160608
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The title compounds were prepared by reaction of 3‐(2H)furanones and 2,3‐dihydro‐4‐pyrones with methylhydrazine or alternatively by methylation of the corresponding N‐unsubstituted pyrazoles. 13C and 1H nmr were used to assign the isomeric 3‐methyl or 5‐methyl structures. Copyright © 1979 Journal of Heterocyclic Chemistry
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页码:1117 / 1120
页数:4
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