Polyfunctional pyrazoles 11*. Synthesis of 5-aroylpyrano[3,4-c]pyrazol-7(2H)-ones

被引:0
作者
Mykhailo K. Bratenko
Marianna M. Barus
Mykhailo V. Vovk
机构
[1] Bukovinian State Medical University,Institute of Organic Chemistry
[2] National Academy of Sciences of Ukraine,undefined
来源
Chemistry of Heterocyclic Compounds | 2017年 / 53卷
关键词
aroylmethyl esters; 5-aroylpyrano[3,4-; ]pyrazoles; 4-formylpyrazole-3-carboxylic acids; intramolecular cyclocondensation;
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暂无
中图分类号
学科分类号
摘要
Aroylmethyl esters of 4-formylpyrazole-3-carboxylic acids underwent intramolecular cyclocondensation in the presence of sodium acetate in refluxing acetic anhydride, giving moderate yields of 5-aroylpyrano[3,4-с]pyrazol-7(2Н)-ones.
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页码:905 / 908
页数:3
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