Method for the preparation of iodonium salts

Details Method for the preparation of iodonium salts Method for the preparation of iodonium salts

1994-08-17

1995-06-20

Prescott, Arthur C.

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

Organic compounds

Carboxylic acids and salts thereof

568 6, 568 13, C07C 5315, C07C 5316

Patent

active

054262224

ABSTRACT:
The present invention relates to an improved method for the preparation of iodonium salts. More specifically, the present invention relates to an improved method for the production of symmetric or asymmetric diaryliodonium triflate (trifluoromethane sulfonate) salts. The diaryliodonium salts of the present invention are useful as photoacid catalysts for use in acid-sensitive polymerization and in curing systems such as radiation curable release coating compositions.

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"Photochemistry of Diaryliodonium Salts" J. L. Dektar, N. P. Hacker, J. Organ. Chem. 1990 pp. 639-647.
"A Convenient Preparation of Diaryliodonium Triflates", Kitamura, Matsuyuki, Nagata, Furuki, Taniguchi, Synthesis Oct. 1992.
"Improved Preparation of Diaryliodonium Triflates", Kitamura, Matsuyuki Taniguchi, SYNTHESIS Feb. 1994.

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