Synthesis of 1,5-Disubstituted 3-(4-Hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)-2-pyrazolines

被引：0
作者：
Albert Lévai
József Jekő
机构：
[1] University of Debrecen,Department of Organic Chemistry
[2] ICN Hungary Co. Ltd.,undefined
来源：
Monatshefte für Chemie / Chemical Monthly | 2006年 / 137卷
关键词：
Keywords. α,β-Unsaturated ketones; Hydrazine; 2-Pyrazolines.;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A series of 1,5-disubstituted 3-(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)-2-pyrazolines were synthesized by the reaction of α,β-unsaturated ketones derived from dehydroacetic acid and hydrazine in hot acetic acid or propionic acid. The structures of all new compounds were elucidated by microanalyses, 1H and 13C NMR, IR, and mass spectroscopic measurements.
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页码：339 / 345
页数：6
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