REACTIONS OF HIGHLY ELECTROPHILIC POLYFLUORO UNSATURATED-COMPOUNDS WITH PYRAZOLE DERIVATIVES

被引：8

作者：

GOLUBEV, AS

TYUTIN, VY

CHKANIKOV, ND

KOLOMIETS, AF

FOKIN, AV

机构：

来源：

BULLETIN OF THE RUSSIAN ACADEMY OF SCIENCES-DIVISION OF CHEMICAL SCIENCE | 1992年 / 41卷 / 11期

关键词：

HEXAFLUOROACETONE; METHYLTRIFLUOROPYRUVATE; 1,1-DICYANO-BIS-(TRIFLUOROMETHYL)ETHYLENE; METHYL 3,3-DICYANO-2-(TRIFLUOROMETHYL)ACRYLATE;

D O I：

10.1007/BF00863375

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pyrazole derivatives were hydroxyalkylated at the C4 atom by hexafluoroacetate and methyl trifluoropyruvate. The products of the hydroxyalkylation were dehydrated to the corresponding alkylidene derivatives which were reacted with nucleophiles. Dicyanoethylenes, obtained from polyfluorocarbonyl compounds, alkylated pyrazol-5-ones with the formation of pyrazolopyran derivatives.

引用

页码：2068 / 2073

页数：6

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