Process for the preparation of 3-amino-2-oxo-pyrrolidines,...

Details Process for the preparation of 3-amino-2-oxo-pyrrolidines,... Process for the preparation of 3-amino-2-oxo-pyrrolidines,...

C - Chemistry, Metallurgy

07

D

C07D 207/273 (2006.01) C07C 229/22 (2006.01) C07C 237/22 (2006.01) C07C 255/60 (2006.01) C07C 271/22 (2006.01) C07C 309/63 (2006.01) C07D 263/44 (2006.01) C07D 401/00 (2006.01) C07D 403/00 (2006.01) C07D 405/00 (2006.01)

Patent

CA 2272664

The present invention relates to a process for the preparation of .gamma.-lactams of the general formula I (see formula I) The invention relates also to novel advantageous intermediates of the general formulae V, IV and II and their salts (see formula V) (see formula IV) (see formula II) and their use. The compounds of the general formula I are obtained by cyclising compounds of the general formula II (see formula II) which can be prepared from the intermediate compounds V.

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