Oxa spiro derivative, preparation method therefor, and applications thereof in medicines
US10442793B2 · kind B2 · utility
2Cited by
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24Claims
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Key dates
| Filing date | Sep 30, 2016 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Sep 30, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.