Method for the preparation of oxazolidinones
The present invention relates to a process for making a compound of structure 4 which comprises reacting a compound of structure 1 with vinyl sulfone in the presence of a Lewis-acid at a temperature in a range of from 40&deg; C. to 170&deg; C., wherein each R1 is independently H, fluoro, chloro or bromo.
Pharmacia & Upjohn Company
A C C A C
A61P C07D C07D A61P C07D
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Cuong V. Jiong Jack
Lu Chen