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. 21, 2020
Filed:
Aug. 14, 2017
Applicant:
Coral Drugs Pvt. Ltd., Delhi, IN;
Inventors:
Vinayak Tripathi, Delhi, IN;
Rajesh Kumar, Delhi, IN;
Rohit Bhuwania, Delhi, IN;
Binay Kumar Bhuwania, Delhi, IN;
Assignee:
CORAL DRUGS PVT. LTD., Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 71/00 (2006.01); C07J 5/00 (2006.01); C07J 13/00 (2006.01);
U.S. Cl.
CPC ...
C07J 71/0031 (2013.01); C07J 5/0092 (2013.01); C07J 13/005 (2013.01); C07J 71/0015 (2013.01);
Abstract
The present invention discloses a process for the preparation of pregnadiene derivatives having formula I, their stereoisomer and intermediate thereof. Formula I wherein each substituent is independently, Rand Ris hydrogen or C-Cstraight, branched alkyl chain, saturated or unsaturated cycloalkyl; Ris hydrogen or wherein Rrepresents C-Cstraight, branched alkyl chain or cycloalkyl; Ris hydrogen or halogen; Ris hydrogen or halogen;