Process and intermediates for preparing 17-halogenated...

Details Process and intermediates for preparing 17-halogenated... Process and intermediates for preparing 17-halogenated...

2004-04-29

2008-11-11

Badio, Barbara P (Department: 1612)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C552S502000

Reexamination Certificate

active

07449572

ABSTRACT:
The invention relates to a process for preparing compounds of formula (I):in which R1, R2, R3, n and X are as defined in the description, and to the intermediate compounds for implementing this process.

REFERENCES:
patent: 3275623 (1966-09-01), Knox et al.
patent: 2640977 (1988-12-01), None
patent: WO9925725 (1999-05-01), None
patent: WO 99/67274 (1999-12-01), None
patent: WO9967274 (1999-12-01), None

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