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 8383833 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 26, 2013

Filed:

Jun. 02, 2009
Applicants:

Shohei Yamamoto, Takasago, JP;

Akio Fujii, Takasago, JP;

Masaru Mitsuda, Takasago, JP;

Inventors:

Shohei Yamamoto, Takasago, JP;

Akio Fujii, Takasago, JP;

Masaru Mitsuda, Takasago, JP;

Assignee:

Kaneka Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 295/03 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present application relates to a method for producing an optically active α-amino acid derivative, comprising steps of reacting an α-haloester derivative represented by the general formula (1): of which alcohol part of the ester group is an optically active alcohol derivative,with an amine compound; then deprotecting the obtained compound; further carrying out an ester exchange reaction. According to the present invention method, it is possible to easily produce an optically active α-amino acid ester derivative which is useful as an intermediate for drugs with high selectivity.


Find Patent Forward Citations

Yamamoto, Shohei. (2013). Method for producing optically active amino acid derivative (U.S. Patent No. 8383833). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8383833

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