Process for the preparation of pantoprazole and...

Details Process for the preparation of pantoprazole and... Process for the preparation of pantoprazole and...

2006-06-13

2006-06-13

Morris, Patricia L. (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07060839

ABSTRACT:
A novel process is described for the preparation of the active principle pantoprazole based on the use of novel intermediate compounds of general formula (I)where X is an atom of halogen and n=0 or 1, so that when n=1, the intermediate compounds are methoxylated, and when n=0 said intermediate compounds are first oxidized to n=1 and thereafter are methoxylated.Also described are the novel intermediates, as well as the process for the preparation thereof.

REFERENCES:
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patent: 0 166 287 (1986-01-01), None
patent: 2 060 541 (1994-11-01), None
patent: WO 01 04109 (2001-01-01), None
patent: WO 01 79194 (2001-10-01), None

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