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. 20, 2008
Filed:
May. 04, 2004
Applicant:
Ernesto Duran Lopez, Barcelona, ES;
Inventor:
Ernesto Duran Lopez, Barcelona, ES;
Assignee:
Medichem S.A., Barcelona, ES;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 417/00 (2006.01); C07D 211/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a novel compound of formula (IV) which is an intermediate that can be used for the preparation of pioglitazone. It also relates to a method of obtaining the novel compound (IV) starting from the natural product L-tyrosine, in which the amino group is protected in the form of aromatic imino group, and a method of obtaining pioglitazone from the said intermediate.