Reaction of trifluoromethyl-containing 1,3-dicarbonyl compounds with bis-hydrazides

被引：5
作者：
Zerov, A. V. [1 ]
Krupenya, T. S. [1 ]
Petrov, A. A. [1 ]
Yakimovich, S. I. [1 ]
机构：
[1] St Petersburg State Univ, Univ Skii Pr 26, St Petersburg 198504, Russia
来源：
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2016年 / 52卷 / 03期
关键词：
TAUTOMERISM; INHIBITORS; KETONES; SERIES;
D O I：
10.1134/S1070428016030039
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Carbonic dihydrazide reacted with 2 equiv of trifluoroacetylacetone to give a compound containing 5-hydroxy-4,5-dihydropyrazole and keto enehydrazine fragments. Analogous 2 : 1 condensations of trifluoro-acetylacetone and 4-ethoxy-1,1,1-trifluorobut-3-en-2-one with oxalohydrazide and malonohydrazide afforded bis(5-hydroxy-4,5-dihydropyrazole) structures as two diastereoisomers.
引用
收藏
页码：312 / 318
页数：7
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