Method for preparing triarylsulfonium salts

Details Method for preparing triarylsulfonium salts Method for preparing triarylsulfonium salts

1996-09-12

1998-01-06

Shaver, Paul F.

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

Organic compounds

Sulfur containing

568 58, 568 74, 568 75, C07C33100

Patent

active

057057028

ABSTRACT:
By reacting an aryl Grignard reagent of the following general formula (1) with thionyl chloride and then reacting the reaction product with a triorganosilyl sulfonate or triorganohalide of the general formula (2): (R.sup.6).sub.3 SiY wherein R.sup.6, which may be the same or different, is a monovalent hydrocarbon group and Y is a substituted or unsubstituted alkylsulfonate or arylsulfonate or halogen atom, there is prepared a triarylsulfonium salt of the following general formula (3). ##STR1## In the formulae, each of R.sup.1 to R.sup.5, which may be the same or different, is a hydrogen atom or a monovalent organic group, especially alkyl, aryl, alkoxy, aryloxy, dialkylamino, dialkylaminoalkyl, alkylthio or arylthio group and X is a bromine or chlorine atom.

REFERENCES:
patent: 4404408 (1983-09-01), Wirth et al.

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