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:
Apr. 18, 2017
Filed:
Oct. 15, 2013
The Kitasato Institute, Tokyo, JP;
Nippon Chemiphar Co., Ltd., Tokyo, JP;
Hiroshi Nagase, Ibaraki, JP;
Hideaki Fujii, Kanagawa, JP;
Eriko Nakata, Saitama, JP;
Yoshikazu Watanabe, Tokyo, JP;
Daisuke Saito, Tokyo, JP;
Toshihiro Takahashi, Saitama, JP;
THE KITASATO INSTITUTE, Tokyo, JP;
NIPPON CHEMIPHAR CO., LTD., Tokyo, JP;
Abstract
The present invention relates to a morphinan derivative represented by the following general formula (I), wherein Rrepresents hydrogen, Calkyl, Caryl, etc., Rand R, which are the same or different, represent hydrogen, hydroxy, etc., Rand Rrepresent hydrogen, Calkyl, etc., Rrepresents hydrogen, hydroxy, Calkyl, etc., X represents O or CH, Y represents C═O, C(═O)O, etc., and m and n, which are the same or different, represent an integer of 0 to 2 (m and n are not 0 at the same time), a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt thereof, or a solvate thereof, as well as an analgesic, antianxiety drug, etc. containing the same as an active ingredient.