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.

Date of Patent:
Feb. 27, 2001

Filed:

Aug. 30, 1999
Applicant:
Inventors:

Patrick J. Sheeran, Landenberg, PA (US);

Luigi Anzalone, West Chester, PA (US);

Hui-Yin Li, Hockessin, DE (US);

Joseph M. Fortunak, Newark, DE (US);

Louis Storace, Middletown, DE (US);

Assignee:

DuPont Pharmaceuticals Company, Wilmington, DE (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07D / ; C07D / ;
Abstract

Processes for the preparation of [S-(R,S)]-N-[1,3-benzodioxol-5-yl)butyl]-3,3-diethyl-2[4-[4-methyl-1-piperazinyl)carbonyl]phenoxy]-4-oxo-l-azetidine carboxamide, a useful inhibitor of human leukocyte elastase (HLE), are described. The process including (a) contacting a compound of formula (II):


Find Patent Forward Citations

Sheeran, Patrick. (2001). Efficient process for the preparation of [s-(r,s)]-n-[1,3-benzodioxol-5-yl)butyl]-3,3-diethyl-2[4-[4-methyl-1-piperazinyl)carbonyl]phenoxy]-4-oxo-1-azetidine carboxamide, a human leukocyte elastase inhibitor (U.S. Patent No. 6194569). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6194569

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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