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.:

US 7189864 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 13, 2007

Filed:

Oct. 13, 2004
Applicants:

John S. NG, Chicago, IL (US);

Claire A. Przybyla, Des Plaines, IL (US);

Richard A. Mueller, Glencoe, IL (US);

Michael L. Vazquez, Gurnee, IL (US);

Daniel P. Getman, Chesterfield, MO (US);

Inventors:

John S. Ng, Chicago, IL (US);

Claire A. Przybyla, Des Plaines, IL (US);

Richard A. Mueller, Glencoe, IL (US);

Michael L. Vazquez, Gurnee, IL (US);

Daniel P. Getman, Chesterfield, MO (US);

Assignee:

G.D. Searle & Co., Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 221/00 (2006.01); C07D 301/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A synthesis is described for intermediates which are readily amenable to the large scale preparation of hydroxyethylurea-based chiral HIV protease inhibitors. The method includes forming a diastereoselective epoxide from a chiral alpha amino aldehyde.


Find Patent Forward Citations

Ng, John. (2007). Method of preparing intermediates useful in synthesis of retroviral protease inhibitors (U.S. Patent No. 7189864). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7189864

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