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. 25, 2008
Filed:
Mar. 17, 2005
Shigenori Ohkawa, Takatsuki, JP;
Yasuyoshi Arikawa, Hirakata, JP;
Kouki Kato, Kobe, JP;
Masahiro Okura, Ikeda, JP;
Masaki Setoh, Suita, JP;
Shigenori Ohkawa, Takatsuki, JP;
Yasuyoshi Arikawa, Hirakata, JP;
Kouki Kato, Kobe, JP;
Masahiro Okura, Ikeda, JP;
Masaki Setoh, Suita, JP;
Takeda Pharmaceutical Company Limited, Osaka, JP;
Abstract
Compounds represented by the formula: wherein Rand Rare hydrogen atom, a hydrocarbon group or a heterocyclic group, or Rand Rmay form, together with the adjacent carbon atom, a 3- to 8-membered homocyclic or heterocyclic ring, W indicates a group represented by the formula: wherein Rindicates (1) an aliphatic hydrocarbon group, which may be substituted with an aromatic group, or (2) an acyl group containing an aromatic group, Ris hydrogen atom, a Calkyl, or an acyl group, Rindicates a Caryl group, or salts thereof. The compounds have an excellent action to inhibit neurodegeneration as well as an excellent brain penetrability and are low in the toxicity, thereby being useful as drugs for nerve degenerative diseases.