The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 2012
Filed:
Sep. 27, 2007
Applicants:
Jorge Medrano Rupérez, Barcelona, ES;
Julio Campon Pardo, Barcelona, ES;
Laia Elías Rius, Barcelona, ES;
Ramón Berenguer Maimó, Barcelona, ES;
Inventors:
Jorge Medrano Rupérez, Barcelona, ES;
Julio Campon Pardo, Barcelona, ES;
Laia Elías Rius, Barcelona, ES;
Ramón Berenguer Maimó, Barcelona, ES;
Assignee:
Esteve Quimica, SA, Barcelona, ES;
Primary Examiner:
Int. Cl.
CPC ...
C07D 473/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for removal of the amino protective group of a N-acylated {(1S,4R)-4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]-cyclopent-2-enyl}methanol of formula (II) where R═H or a (C-C)-alkyl, using an inorganic base in a mixture of water and alcohol, to yield abacavir or its salts. The process proceeds very fast and the product can be obtained in high yield and purity.