Isolated valacyclovir impurity, process for the preparation...

Details Isolated valacyclovir impurity, process for the preparation... Isolated valacyclovir impurity, process for the preparation...

2005-09-06

2009-12-08

Berch, Mark L (Department: 1624)

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

Organic compounds

Chalcogen bonded directly to ring carbon of the purine ring...

C436S098000

Reexamination Certificate

active

07629461

ABSTRACT:
The present invention provides an isolated N-formyl valacyclovir, its preparation and its use as a reference marker and/or reference standard.

REFERENCES:
patent: 4957924 (1990-09-01), Beauchamp
patent: 6333198 (2001-12-01), Edmeades et al.
patent: 2003/0153757 (2003-08-01), Etinger et al.
patent: 2005/0059684 (2005-03-01), Dolitzky et al.
patent: 2005/0070711 (2005-03-01), Lifshitz et al.
patent: 2005/0143400 (2005-06-01), Shamai et al.
patent: 2007/0112193 (2007-05-01), Khunt et al.
patent: WO 97/27197 (1997-07-01), None
patent: WO 98/03553 (1998-01-01), None
patent: WO 03/041647 (2003-05-01), None
Goodman and Gilman's,The Pharmacological Basis of Therapeutics1193-1198 (9th ed. 1996).
Strobel pp. 391-393, 894, 921, 922, 924, 925 and p. 953, Strobel, H.A.; Heineman, W.R., Chemical Instrumentation: A Systematic Approach, 3rd dd. (Wiley & Sons: New York 1989).
Snyder pp. 549, 552, 571 and 572, Snyder, L.R.; Kirkland, J.J. Introduction to Modern Liquid Chromatography, 2nd ed. (John Wiley & Sons: New York 1979).
Beauchamp et al., “Amino acid ester prodrugs of acyclovir”, Antiviral Chemistry & Chemotherapy 3(30): 157-164(1992).

Affiliated with

Also associated with

Rating

Isolated valacyclovir impurity, process for the preparation... does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4147582