Oxopyrrolidine compounds, preparation of said compounds and...

Details Oxopyrrolidine compounds, preparation of said compounds and... Oxopyrrolidine compounds, preparation of said compounds and...

2006-10-17

2006-10-17

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S550000, C548S551000

Reexamination Certificate

active

07122682

ABSTRACT:
The present invention relates to an improved process for the preparation of (S)-(−)-α-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof. The invention also relates to compounds of the general formula (6) wherein R1is methyl or ethyl; and R2is C?2#191–C?4#191 alkyl, C?2#191–C?4#191 alkenyl or C?2#191–C?4#191 alkynyl, optionally substituted by one or more halogen, and their preparation processes

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