Tris(dialkylamino)sulfonium bifluoride catalysts

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

1983-04-04

1986-07-01

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

546246, 546186, 546208, 548523, 548542, C07C 8704, C07C14900, C07C14946

Patent

active

045981612

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 (R.sup.1 R.sup.2 N)(R.sup.3 R.sup.4 N)(R.sup.5 R.sup.6 N)S.sup..sym. HF.sub.2.sup..crclbar., are useful polymerization catalysts.

REFERENCES:
patent: 3121112 (1964-02-01), Tullock
patent: 3577459 (1971-05-01), Laughlin
patent: 3636103 (1972-01-01), Gosselink
patent: 3940402 (1976-02-01), Middleton
patent: 4417034 (1983-11-01), Webster

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