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. 13, 1998
Filed:
Dec. 27, 1995
Applicant:
Inventors:
Akira Kaneko, Niigata-ken, JP;
Tsutomu Kaku, Niigata-ken, JP;
Masaji Ishiguro, Hyogo-ken, JP;
Takashi Nakatsuka, Osaka, JP;
Assignee:
Suntory Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
540302 ; 540304 ; 540310 ; 540350 ; 548152 ; 548178 ;
Abstract
Method of desilylating a silylether compound by reacting a silylether compound of the general formula (I): ##STR1## or a salt thereof with an amine hydrogen fluoride salt or a pyridine hydrogen fluoride salt in an organic solvent to produce a compound of the general formula (IV): ##STR2## According to this method, silylether compounds that are labile under strong acidic or basic conditions can be desilylated efficiently using inexpensive reagents.