Process for preparation of 2-oxazolidinones

Details Process for preparation of 2-oxazolidinones Process for preparation of 2-oxazolidinones

1983-03-28

1985-02-19

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549512, 560160, 564503, 568852, C07D26322

Patent

active

045007179

ABSTRACT:
The invention is a process for the preparation of 2-oxazolidinones which comprises contacting a 2-hydroxyalkyl carbamate with an alkylene oxide or alkylene carbonate in the presence of a catalytic amount of a quaternary ammonium halide, quaternary phosphonium halide, a group I metal carbonate, hydroxide, oxide or halide, or a group II metal carbonate, hydroxide, oxide or halide under conditions such that a 2-oxazolidinone is prepared.

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