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. 26, 1988
Filed:
Oct. 29, 1985
Applicant:
Inventors:
Mark C Cesa, South Euclid, OH (US);
Robert A Dubbert, Solon, OH (US);
James D Burrington, Richmond Heights, OH (US);
Assignee:
The Standard Oil Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ;
U.S. Cl.
CPC ...
560 41 ; 548344 ; 548497 ; 548533 ; 548535 ; 560 16 ; 560 40 ; 560153 ; 560169 ; 560170 ; 560171 ; 562443 ; 562445 ; 562446 ; 562493 ; 562557 ; 562559 ; 562561 ; 562563 ; 562567 ; 562571 ; 562573 ; 562575 ; 562590 ; 562607 ;
Abstract
In the process of hydrocarboxylating an .alpha.-enamide with CO and an organic hydroxyl compound to produce a N-acyl-.alpha.-amino acid ester, the improvement comprising using as the organic hydroxyl compound reactant, an organic hydroxyl compound which has a chiral center that is essentially all L or D, thereby producing a reaction mixture having essentially no enantiomeric pairs and containing diastereomeric N-acyl-.alpha.-amino acid esters having two chiral centers.