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:
Oct. 15, 2019
Filed:
Sep. 30, 2016
Jiangsu Hengrui Medicine Co., Ltd., Lianyungang, Jiangsu, CN;
Shanghai Hengrui Pharmaceutical Co., Ltd., Shanghai, CN;
Xin Li, Shanghai, CN;
Binqiang Feng, Shanghai, CN;
Yang Chen, Shanghai, CN;
Tao Liu, Shanghai, CN;
Feng He, Shanghai, CN;
Mingxun He, Shanghai, CN;
Weikang Tao, Shanghai, CN;
Piaoyang Sun, Jiangsu, CN;
Jiangsu Hengrui Medicine Co., Ltd, Lianyungang, Jiangsu, CN;
Shanghai Hengrui Pharmaceutical Co., Ltd., Shanghai, CN;
Abstract
The present invention relates to an oxa spiro derivative, a preparation method therefor, and applications thereof in medicines. Particularly, the present invention relates to an oxa spiro derivative represented by formula (I), a preparation method therefor, and a pharmaceutical composition comprising the derivative, applications thereof as an MOR receptor agonist, and applications in the preparation of drugs for treating and/or preventing pains and pains-related diseases. Substituent groups in the formula (I) are same as definitions in the specification.