Patent ID: 9593104
Date: 2017-03-14
CPC Classifications: C07D

Claim:
1. An improved process for the preparation of (S)-N-[[3-[3-fluoro-4-[4-morpholinyl]phenyl]-2-oxo-5-oxazolidinyl]methyl]phthalimide of formula (II), which comprises reacting carbamate compound of formula (III) wherein X is O, NR′, or C(R″) 2 and when X is O or NR′, R represents hydrogen, C 1 -C 5 alkyl, aryl, or aralkyl; when X is C(R″) 2 , R represents hydrogen, halogen, C 1 -C 5 alkyl, aryl, or aralkyl; R′ represents hydrogen, C R″ represents hydrogen, C using a base or quaternary ammonium salt and in the presence or absence of a solvent.