Modafinil synthesis process

Details Modafinil synthesis process Modafinil synthesis process

2004-05-05

2009-06-02

O'Sullivan, Peter G (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S162000

Reexamination Certificate

active

07541493

ABSTRACT:
The invention relates to a process for preparing modafinil having a defined granulometry which comprises the steps of: a) preparing a solution of DMSAM; b) contacting the solution obtained with NH3 at a predetermined temperature and a predetermined stirring; and c) isolating the modafinil formed, wherein said temperature and said stirring are predetermined in order to obtain said defined granulometry.

REFERENCES:
patent: 4177290 (1979-12-01), Lafon
patent: 4927855 (1990-05-01), Lafon
patent: 5618845 (1997-04-01), Grebow et al.
patent: 5719168 (1998-02-01), Laurent
patent: WO 96/11001 (1996-04-01), None
patent: WO02/10125 (2002-02-01), None
patent: WO2004/014846 (2004-02-01), None
U.S. Appl. No. 10/539,918, filed Feb. 17, 2006, Neckebrock et al.
U.S. Appl. No. 10/541,527, filed Oct. 27, 2005, Rose et al.
U.S. Appl. No. 10/943,360, filed Sep. 17, 2004, Rebiere.
U.S. Appl. No. 11/082,530, filed Mar. 17, 2005, Rebiere.
U.S. Appl. No. 11/224,250, filed Sep. 12, 2005, Hauck.
U.S. Appl. No. 11/374,227, filed Mar. 13, 2006, Prat.

Affiliated with

Also associated with

Rating

Modafinil synthesis process does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Modafinil synthesis process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Modafinil synthesis process will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4097135