Process for preparing optically pure active compounds

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

Reexamination Certificate

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C546S113000

Reexamination Certificate

active

07452998

ABSTRACT:
The invention relates to a novel process for preparing an optically pure PPI having a sulfinyl structure using a chiral zirconium complex or a chiral hafnium complex.

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