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:
May. 09, 2017
Filed:
Oct. 18, 2013
Applicant:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Inventors:
Yuichiro Ishibashi, Chiyoda-ku, JP;
Yasushi Matsumura, Chiyoda-ku, JP;
Assignee:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/06 (2006.01); C07B 51/00 (2006.01); C07C 29/10 (2006.01);
U.S. Cl.
CPC ...
C07D 405/06 (2013.01); C07B 51/00 (2013.01); C07C 29/10 (2013.01);
Abstract
To deprotect an alcoholic hydroxyl group protected by a t-butyldimethylsilyl group without influencing a functional group unstable to an acid. In the presence of a solvent, an alcohol having a hydroxyl group protected by a t-butyldimethylsilyl group is deprotected in the presence of an acid or an acid salt having a pKa of from 1.0 to 3.0 in water.