The CF3-DAST-induced deacylative trifluoromethylthiolation of cyclic 1,3-diketones/lactams/lactones and its extension to deacylative pentafluorophenylthiolation†
Etsuko
Tokunaga 
a
and
Norio
Shibata
*ab
a
and
Norio
Shibata
*ab
Abstract
A trifluoromethyl analogue of diethylaminosulfur trifluoride (CF3-DAST)-induced deacylative trifluoromethylthiolation of cyclic 1,3-diketones, lactams, and lactones that provides cyclic α-trifluoromethylthioketones, lactams, and lactones is reported. To the best of our knowledge, this method represents the first example of the trifluoromethylthiolation of lactams. A corresponding deacylative pentafluorophenylthiolation using a pentafluorophenyl analogue of diethylaminosulfur trifluoride (C6F5-DAST) was also attempted.
- This article is part of the themed collection: Fluorine Chemistry
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