“ A METHOD FOR PREPARING A FUMARIC ACID SALT OR COMPLEX, C20H32N5O8P1.C4H4O4

Application 1291/DEL/2004 published 2006-06-30, filed 2004-07-14
The invention provides crystalline forms of adefovir dipivoxil and methods to prepare the crystals. The compositions and method of the present invention have desirable properties for large scale synthesis of crystalline adefovir dipivoxil or for its formulation into therapeutic dosages. Invention compositions include an anhydrous crystal form of adefovir dipivoxil.

Applicant

GILEAD SCIENCES, INC
333 LAKESIDE drive, Foster City, California 94404, USA.

Inventor

MURTY NARAYANA ARIMILLI THOMAS TSANG KEUNG LEE LAWRENCE VICTOR MANES JOHN DUNCAN MUNGER, JR. ERNEST JOSEPH LISA MARIE SCHULTZE DAPHNE EVETTE KELLY : NO

International Info

Classification: C 07 D 417/12

Priority Information

08/900 USAK 1997-07-25
745 60/053 USAK 1997-07-25