Process for the preparation of onium alkylsulfonates

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C548S335100, C548S579000, C564S291000, C564S500000, C568S011000

Reexamination Certificate

active

07999111

ABSTRACT:
The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C.

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