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:
Aug. 21, 1990
Filed:
Jul. 25, 1989
Applicant:
Inventors:
Haruaki Yajima, Toyonaka, JP;
Nobutaka Fujii, Hirakata, JP;
Gilberto M Guterres, Tokyo, JP;
Tatsuhiko Honguu, Yokohama, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
25218212 ; 530335 ;
Abstract
Reagent for removing protective groups employed in peptide synthesis comprises a combination of hard acid and soft base. The hard acid is trialkylsilyltrifluoromethanesulphonate R.sub.3 SiO.sub.3 SCF.sub.3 and the soft base is ether. The reagent provides high efficiency of deprotection and has a low tendency to cause side reaction.