“Reported, but Still Unknown.” A Closer Look into 3, 4-Bis-and 3, 4, 5-Tris (trifluoromethyl) pyrazoles

…, RX Mironetz, IS Kondratov, AV Bezdudny…

Index: Gerus, Igor I.; Mironetz, Roman X.; Kondratov, Ivan S.; Bezdudny, Andrei V.; Dmytriv, Yurii V.; Shishkin, Oleg V.; Starova, Viktoriia S.; Zaporozhets, Olga A.; Tolmachev, Andrey A.; Mykhailiuk, Pavel K. Journal of Organic Chemistry, 2012 , vol. 77, # 1 p. 47 - 56

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Citation Number: 26

Abstract

Straightforward practical synthetic approaches to 3, 4-bis-and 3, 4, 5-tris (trifluoromethyl) pyrazoles have been developed. The key step of the both syntheses is a transformation of the carboxylic group in a pyrazole core into the trifluoromethyl group by sulfur tetrafluoride. ...