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:
Jan. 27, 1998
Filed:
Aug. 02, 1994
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:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
564225 ; 530333 ; 530334 ; 530335 ; 530336 ; 530337 ; 530338 ; 544334 ; 546186 ; 5483001 ; 5483401 ; 5483431 ; 5483471 ; 548495 ; 548496 ; 548497 ; 548523 ; 548530 ; 552104 ; 560 30 ; 560161 ; 562553 ; 562845 ; 562849 ; 562851 ; 562852 ; 564-1 ; 564245 ; 564433 ; 564442 ; 564510 ;
Abstract
The present invention is directed to the process of preparing a peptide comprising reacting a first amino acid or peptide with an amino acid fluoride of the formula: ##STR1## or the acid fluoride salts thereof wherein BLK is an N-amino protecting group AA is an amino acid residue and X is H or a protecting group useful, and the first amino and peptide have a free amino group and a blocked carboxy end.