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:
Apr. 02, 2013
Filed:
May. 11, 2011
Applicant:
Laurence Prat-lacondemine, Pontault Combault, FR;
Inventor:
Laurence Prat-Lacondemine, Pontault Combault, FR;
Assignee:
Teva Sante, La Defense Cedex (Paris), FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for regioselectively reducing the maleimide compounds of formula (I). The invention also relates to Chydroxy lactam regioisomers of formula (II) obtainable by this method and their use for the preparation of lactams of formula (III) which are particularly useful as intermediate for the synthesis of fused pyrrolocarbazoles.