Process for the preparation of enantiopure pyrrolidin-2-one...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C548S551000, C548S577000, C548S572000

Reexamination Certificate

active

07148362

ABSTRACT:
The present invention relates to a process for the preparation of enantiopure intermediates useful in the synthesis of valuable pharmaceutically active compounds, e.g. MAOB inhibitors, and to novel intermediates of formulae I and IIwherein R21, R22, R23and R24are as defined in the description and claims.

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