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:
Oct. 23, 2018
Filed:
Nov. 10, 2017
Applicant:
Chirogate International Inc., Yangmei, TW;
Inventors:
Shih-Yi Wei, Yangmei, TW;
Shih-Hsun Su, Yangmei, TW;
Assignee:
CHIROGATE INTERNATIONAL INC., Tangmei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 315/04 (2006.01); C07C 67/297 (2006.01); C07C 405/00 (2006.01); C07C 39/23 (2006.01); A61K 31/5575 (2006.01);
U.S. Cl.
CPC ...
C07C 405/0083 (2013.01); C07C 39/23 (2013.01); C07C 67/297 (2013.01); C07C 315/04 (2013.01); A61K 31/5575 (2013.01);
Abstract
Novel processes for preparing cyclopenta[b]naphthalenol derivatives of Formula 1 which are useful for the synthesis of corresponding benzindene prostaglandins are provided. The present invention also relates to novel intermediates prepared from the processes.