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:
Jan. 19, 2016
Filed:
May. 02, 2014
Applicant:
Infinity Pharmaceuticals, Inc., Cambridge, MA (US);
Inventors:
Brian C. Austad, Tewksbury, MA (US);
Andre Lescarbeau, Somerville, MA (US);
Lin-Chen Yu, Quincy, MA (US);
Assignee:
Infinity Pharmaceuticals, Inc., Cambridge, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/00 (2006.01); C07J 7/00 (2006.01); C07D 471/10 (2006.01); C07J 1/00 (2006.01); C07J 5/00 (2006.01); C07J 9/00 (2006.01); C07J 21/00 (2006.01); C07J 43/00 (2006.01); C07J 65/00 (2006.01); C07J 69/00 (2006.01); C07J 71/00 (2006.01); C07D 491/22 (2006.01);
U.S. Cl.
CPC ...
C07J 7/009 (2013.01); C07D 471/10 (2013.01); C07D 491/22 (2013.01); C07J 1/0011 (2013.01); C07J 5/0053 (2013.01); C07J 9/00 (2013.01); C07J 21/00 (2013.01); C07J 43/006 (2013.01); C07J 65/00 (2013.01); C07J 69/00 (2013.01); C07J 71/0005 (2013.01); C07B 2200/09 (2013.01);
Abstract
The invention is directed to a method to reduce a C—C double bond of an enone of a steroidal compound to produce a mixture of β ketone product and α ketone product, comprising treating a solution or suspension of the steroidal compound in a solvent with hydrogen gas in the presence of a catalyst and a substituted pyridine.