SYNTHESIS OF 3-HYDROXY-5-PER(POLY)FLUOROALKYL PYRAZOLES

被引:12
作者
HU, QS [1 ]
GUAN, HP [1 ]
HU, CM [1 ]
机构
[1] ACAD SINICA,SHANGHAI INST ORGAN CHEM,SHANGHAI 200032,PEOPLES R CHINA
关键词
SYNTHESIS; HYDROXYPER(POLY)FLUOROALKYL PYRROLES; NMR SPECTROSCOPY; IR SPECTROSCOPY; MASS SPECTROMETRY;
D O I
10.1016/0022-1139(95)03292-L
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Treatment of ethyl alpha-per(poly)fluoroalkyl acetates 1 or ethyl alpha-iodo-beta-per(poly) fluoroalkyl acrylates 2 with hydrazine gives 3-hydroxy-5-per(poly)fluoroalkyl pyrazoles 3 in excellent yield. The effect of halogens on the pert polyfluoroalkyl chain and the reaction conditions were studied.
引用
收藏
页码:51 / 54
页数:4
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