Process for the preparation of roflumilast

Details Process for the preparation of roflumilast Process for the preparation of roflumilast

2004-03-08

2008-12-30

Davis, Zinna N (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07470791

ABSTRACT:
The invention relates to novel processes for the preparation of high-purity roflumilast.

REFERENCES:
patent: 5340827 (1994-08-01), Beeley et al.
patent: 5698711 (1997-12-01), Palfreyman
patent: 5712298 (1998-01-01), Amschler
patent: 6255326 (2001-07-01), Ashton et al.
patent: 6448274 (2002-09-01), Friesen et al.
patent: 6822114 (2004-11-01), Williams et al.
patent: 93/25517 (1993-12-01), None
patent: 94/02465 (1994-02-01), None
patent: 95/01338 (1995-01-01), None
patent: 01/90076 (2001-11-01), None
patent: 03/070279 (2003-08-01), None
patent: 03/099334 (2003-12-01), None
patent: 2004/033430 (2004-04-01), None
patent: 2005/026095 (2005-03-01), None
Cook, D. C., et al., “Process Development Of The PDE IV Inhibitor 3-(Cyclopentyloxy)-N-(3,5-dichloropyrid-4-yl)-4-methoxybenzamide”,Organic Process Research&Development, vol. 2, pp. 157-168, (1998).
Ried, P., “Roflumilast”,Current Opinion In Investigational Drugs, vol. 3, No. 8, pp. 1165-1170, (2002).

Affiliated with

Also associated with

Rating

Process for the preparation of roflumilast does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of roflumilast, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of roflumilast will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4047391