Journal of Fluorine Chemistry p. 51 - 54 (1995)
Update date:2022-08-30
Topics:
Hu, Qiao-Sheng
Guan, Hui-Ping
Hu, Chang-Ming
Treatment of ethyl α-per(poly)fluoroalkyl acetates 1 or ethyl α-iodo-β-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 per(poly)fluoroalkyl chain and the reaction conditions were studied. - Keywords: Synthesis; Hydroxyper(poly)fluoroalkyl pyroles; NMR spectroscopy; IR spectroscopy; Mass spectrometry
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