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. 03, 1977
Filed:
Nov. 26, 1975
Applicant:
Inventors:
Tadashi Takemoto, Toyonaka, JA;
Fusayoshi Kakizaki, Kawasaki, JA;
Yasuo Ariyoshi, Yokohama, JA;
Ichiro Noda, Yokohama, JA;
Assignee:
Ajinomoto Co., Inc., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07G / ; C07C / ;
U.S. Cl.
CPC ...
2601 / ; 2603096 ; 2603131 ; 2603 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ;
Abstract
The masking N-formyl group of an N-formyl-amino acid ester or N-formyl-peptide ester is removed without major side reactions when the ester is reacted in an inert liquid medium with hydroxylamine of which at least 70% is present in the form of a salt with a strong acid, the remainder, if any, being present as the free base or the salt of a weak acid.