Process for purifying...

Details Process for purifying... Process for purifying...

2004-09-27

2008-03-25

Berch, Mark L. (Department: 1624)

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

active

07348429

ABSTRACT:
Provided are novel Zaleplon crystalline Forms II, III, IV and V, which are useful for the treatment of insomnia. Also provided are processes for making Forms I, II, and V using precipitation methods.

REFERENCES:
patent: 4626538 (1986-12-01), Dusza et al.
patent: 5714607 (1998-02-01), Padmanathan
patent: 6476223 (2002-11-01), Tombari et al.
patent: 6485746 (2002-11-01), Campbell et al.
patent: 6852858 (2005-02-01), Feher et al.
patent: 6884888 (2005-04-01), Korodi et al.
patent: 7034155 (2006-04-01), Horns
patent: 2002/0072527 (2002-06-01), Aslam et al.
patent: 2002/0072605 (2002-06-01), Tombari et al.
patent: 2003/0040522 (2003-02-01), Korodi et al.
patent: 2003/0054041 (2003-03-01), Lemmens et al.
patent: 2005/0171349 (2005-08-01), Horns
patent: 2005/0176735 (2005-08-01), Aslam et al.
patent: 2005/0245742 (2005-11-01), Radl
patent: WO 01/56576 (2001-08-01), None
patent: WO 0212244 (2002-02-01), None
patent: WO 03/095456 (2003-11-01), None
Mustazza, J. Het. Chem. 38, 1119 (2001).
Strobel, “Chemical Instrumentation: A systematic approach, 3rdedition” (Wiley, 1989) pp. 381-410, 863-959.
Snyder “Introduction to Modern Liquid Chromatography, 2ndedition” (Wiley, 1979).

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3961109