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. 22, 2000
Filed:
Mar. 31, 1999
Applicant:
Inventors:
Jiacheng Zhou, Hockesin, DE (US);
Lynette May Oh, New Castle, DE (US);
Philip Ma, Chadds Ford, PA (US);
Assignee:
Dupont Pharmaceuticals Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
558309 ; 558355 ; 558401 ; 544 581 ; 544175 ; 544395 ; 546230 ; 548577 ;
Abstract
The present invention relates to processes for the production of .alpha.-aryl-.beta.-ketonitriles, which serve as synthetic intermediates in the preparation of a series of biologically important molecules such as corticotropin releasing factor (CRF) receptor antagonists.