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:
Jun. 09, 2015
Filed:
Mar. 27, 2013
Applicant:
Dr. Reddy's Laboratories Limited, Hyderabad, IN;
Inventors:
Vilas Hareshwar Dahanukar, Hyderabad, IN;
Syam Kumar Unniaran Kunhimon, Thrissur, IN;
Upadhya Timmana, Secunderabad, IN;
Abir Kumar Pal, Shantiniketan, IN;
Mahendar Macha, Medak, IN;
Venkata Madhubabu Meesala, Kakinada, IN;
Krishna Mohan Thalabathula, Hyderabad, IN;
Shankar Ramanathan, Salem, IN;
Assignee:
DR. REDDY'S LABORATORIES LIMITED, Hyderabad, IN;
Primary Examiner:
Int. Cl.
CPC ...
C07C 39/15 (2006.01); C07C 57/38 (2006.01); C07D 311/76 (2006.01); C07D 311/04 (2006.01); C07C 59/52 (2006.01); C07C 211/27 (2006.01);
U.S. Cl.
CPC ...
C07D 311/04 (2013.01); C07C 59/52 (2013.01); C07C 211/27 (2013.01);
Abstract
The present application relates to an improved process for the preparation of (S)-equol (1). The present application also relates to novel intermediates of formula (7), (7A), (8) and (9) and their use for the synthesis of (S)-equol.