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:
Dec. 16, 2025
Filed:
Sep. 14, 2023
Applicant:
Chirogate International Inc., Yangmei, TW;
Inventors:
Assignee:
CHIROGATE INTERNATIONAL INC., Yangmei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/93 (2006.01); C07C 45/65 (2006.01); C07C 49/573 (2006.01); C07C 67/24 (2006.01); C07C 67/317 (2006.01); C07C 69/157 (2006.01); C07C 69/734 (2006.01); C07D 307/42 (2006.01); C07F 7/18 (2006.01); C12P 7/38 (2006.01);
U.S. Cl.
CPC ...
C07D 307/93 (2013.01); C07C 45/65 (2013.01); C07C 49/573 (2013.01); C07C 67/24 (2013.01); C07C 67/317 (2013.01); C07C 69/157 (2013.01); C07C 69/734 (2013.01); C07D 307/42 (2013.01); C07F 7/1892 (2013.01); C12P 7/38 (2013.01); C07C 2601/08 (2017.05); C07C 2601/10 (2017.05); C07C 2601/16 (2017.05);
Abstract
A racemic or optically enriched compound of Formula 1: wherein P is H or a protective group for hydroxyl groups; and X is Cl, Br, I, or —CHCHCHCOOR, wherein Ris C-alkyl or C-aralkyl.