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:
Aug. 26, 2003
Filed:
Sep. 28, 2001
Applicant:
Inventors:
David Robert Allen, LaGrange Park, IL (US);
Crystal A. Achenbach-McCarthy, Lombard, IL (US);
Assignee:
PCBU Services, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
Processes for the efficient production of chiral amino nitrites are disclosed. Generally, the processes include the esterification of the alcohol of a amino protected alcohol followed by nucleophilic substitution of the ester with a cyano group. In an exemplary embodiment the chiral amino nitrile produced is (R)-3-aminopentanenitrile.