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:
Feb. 04, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Biman Pal, Waltham, MA (US);
Siya Ram, Winchester, MA (US);
Yesh P Sachdeva, Concord, MA (US);
Jaechul Shim, Cambridge, MA (US);
Salah A Zahr, Acton, MA (US);
Emile Al-Farhan, Dedham, MA (US);
Richard L Gabriel, Swampscott, MA (US);
Assignee:
Pharm-Eco Laboratories, Inc., Lexington, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
564355 ; 548550 ; 548567 ; 558408 ; 558452 ; 560 16 ; 560 34 ; 564180 ; 564356 ; 564357 ; 564358 ; 564342 ; 564343 ; 564418 ;
Abstract
The present invention relates to a method of forming a 1,3-diamino-3-substituted-2-propanol chemical intermediate from which various chemicals, such as selected protease-inhibitors and other drugs, as well as polymers, can be synthesized. The method includes contacting a nitromethyl amino acid compound with at least one reducing agent to form the 1,3-diamino-3-substituted-2-propanol chemical intermediate.