Process for the production of cyclic sulfonium salts

Details Process for the production of cyclic sulfonium salts Process for the production of cyclic sulfonium salts

1995-02-23

1996-06-11

Robinson, Allen J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 3, 549 6, 549 9, 549 13, 549 59, 549 12, 549 15, 549 49, 549 29, C07D33306, C07D33502, C07D33704, C07D33706

Patent

active

055257364

ABSTRACT:
A process for the production of a 5-7 membered ring cyclic sulfonium salt compound, including a 5-7 membered ring cyclic sulfonium salt compound having a non-nucleophilic anion, is described. Members of the latter group are potentially useful as initiators for cationic polymerizations. The process comprises reacting a 1.4-, 1.5-, or 1.6-diol compound or a 5-7 membered ring cyclic ether compound with a mercapto compound and a strong protonic acid yielding the cyclic sulfonium salt compound. Some compounds described are also novel compounds per se.

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