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:
Nov. 24, 2009
Filed:
May. 30, 2003
Keiko Shimamoto, Suita, JP;
Kiyo Takaoka, Takatsuki, JP;
Keiko Shimamoto, Suita, JP;
Kiyo Takaoka, Takatsuki, JP;
Suntory Holdings Limited, Osaka, JP;
Abstract
The present invention relates to photosensitive derivatives of optically active L-threo-β-benzyloxyaspartate or its benzene ring-substituted analogs, represented by the following formula (1) or (2): (1) (2) wherein Rrepresents hydrogen atom, amino group, straight or branched lower aliphatic acylamino group optionally substituted at the acyl group portion, alicyclic acylamino group or aromatic acylamino group optionally having a substituent on the aromatic ring, Rrepresents hydrogen atom or one or more straight or branched optionally substituted lower aliphatic alkyloxy groups on the benzene ring, R3 represents hydrogen atom, methyl group or carboxyl group, and R4 and R5 each represent hydrogen atom, hydroxyl group, straight or branched lower alkyloxy group optionally substituted at the alkyl portion, amino group, straight or branched lower alkyl-substituted amino group, or a halogen atom, which upon photoirradiation can produce compounds exhibiting a function of suppressing the glutamate uptake activity of L-glutamate transporters.