A method has been found for the synthesis of fluoride-containing alpha-hydrothionyl fluorides by heating polyfluoroalkenyl benzyl sulfides having fluoride atoms in the alpha-position relative to the sulfur atom with fluorosulfonic acid. The reactions of the acid fluorides obtained with secondary amines were studied. The reaction of the alpha-hydrotetrafluorothiopropionyl fluoride with NH(Me)2 leads to the amide of the corresponding acid, while the product of alpha-hydrohexafluorothioisobutyryl fluoride with diethylamine is the dimer of bis(trifluoromethyl) thioketene.
Bekker, R. A.; Popkova, V. Ya.; Knunyants, I. L., Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya
作者:Bekker, R. A.、Popkova, V. Ya.、Knunyants, I. L.
DOI:——
日期:——
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作者:A. N. Kovregin、A. Yu. Sizov、A. F. Ermolov
DOI:10.1023/a:1024781929253
日期:——
A new method was developed for the synthesis of methoxycarbonyltrifluoromethylthioketene by thermal cleavage of tert-butyl 1,3,3,3-tetrafluoro-2-methoxycarbonylpropenyl sulfide in the presence Of P2O5. This thioketene was demonstrated to exhibit high reactivity in reactions with nucleophiles as well as in ene and diene syntheses.
BEKKER R. A.; POPKOVA V. YA.; KNUNYANTS I. L., IZV. AN CCCP. CEP. XIM., 1980, HO 7, 1692-1693