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 8242303 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 14, 2012

Filed:

May. 19, 2008
Applicants:

Jun Matsumoto, Kobe, JP;

Toru Inoue, Kobe, JP;

Inventors:

Jun Matsumoto, Kobe, JP;

Toru Inoue, Kobe, JP;

Assignee:

Nagase & Co., Ltd., Osaka-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 229/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a method for producing an optically active N-(halopropyl)amino acid derivative, wherein the method comprises the steps of obtaining a compound represented by formula (III) by reacting an optically active alanine ester represented by formula (I) or a salt thereof (hereinafter sometimes simply referred to as an 'alanine ester') with a halogenated propane represented by formula (II); and obtaining an optically active N-(halopropyl)amino acid derivative represented by formula (IV) by introducing a protecting group onto the nitrogen atom of the compound represented by formula (III). The present invention provides a method for efficiently producing an optically active N-(halopropyl)amino acid derivative.


Find Patent Forward Citations

Matsumoto, Jun. (2012). Method of producing optically active n-(halopropyl) amino acid derivative (U.S. Patent No. 8242303). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8242303

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