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:
Mar. 21, 2000
Filed:
Jan. 05, 1998
Applicant:
Inventors:
Louis A Carpino, Amherst, MA (US);
Ayman Ahmed El-Faham, Amherst, MA (US);
Assignee:
Research Corporation Technologies, Inc., Tucson, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ;
U.S. Cl.
CPC ...
530333 ; 564225 ; 546186 ; 560161 ; 548347 ;
Abstract
The present invention is directed to a process for forming a peptide bond between a first amino acid having a free amino group and a protected carboxy group and a second amino acid or between a peptide having a free amino group and a blocking carboxy group with a second amino acid which comprises (a) reacting the second amino acid of the formula: ##STR1## with a fluoroformamidinium salt of the formula: ##STR2## and (b) reacting the product of (a) with the first amino acid or peptide.