Intermediate for the preparation of paliperidone

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

Reexamination Certificate

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C546S199000, C544S282000, C548S241000

Reexamination Certificate

active

07629469

ABSTRACT:
A new compound of formula (IV)R represents a protecting group which is removable by hydrogenation, and use thereof as an intermediate for preparing paliperidone.

REFERENCES:
patent: 5158952 (1992-10-01), Janssen et al.
patent: 2007/0260061 (2007-11-01), Vreysen et al.

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