Tris(dialkylamino)sulfonium bifluoride catalysts

Details Tris(dialkylamino)sulfonium bifluoride catalysts Tris(dialkylamino)sulfonium bifluoride catalysts

C - Chemistry, Metallurgy

07

D

260/325, 260/291

C07D 295/22 (2006.01) C08F 4/00 (2006.01)

Patent

CA 1256440

TITLE Tris(dialkylamino)sulfonium Bifluoride Catalysts ABSTRACT Tris(dialkylamino)sulfonium bifluoride salts are obtained by hydrolysis, methanolysis, or pyrolysis of corresponding tris(dialkylamino)- sulfonium difluorotrimethylsilicates, reaction of dialkylaminotrialkylsilanes with sulfur tetrafluoride, or reaction of bis(dialkylamino)- sulfur difluorides with dialkylamines. These bifluoride salts, which have the general formula (R1R2N)(R3R4N)(R5R6N)S?HF2? are useful polymerization catalysts.

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