Patent · US Active

Opioid receptor (MOR) agonist salt, fumarate salt crystal form I thereof and preparation method thereof

US11014914B2 · kind B2 · utility

0Cited by

1References

11Claims

0Family size

Assignee

JIANGSU HENGRUI MEDICINE CO., LTD. · CN

Inventors

Lin Wang · Qingdao, CN
Likun Wang · 安丰镇, CN

Key dates

Filing date	Apr 13, 2018
Grant date	May 25, 2021
Priority date	—
Expiry date	Apr 13, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Relating to an opioid receptor agonist (1S,4S)-4-ethoxy-N-(2-((R)-9-(pyridin-2-yl)-6-oxaspiro[4.5]deca-9-yl)ethyl)-1,2,3,4-tetrahydronaphthalen-1-amine fumarate salt, a fumarate salt crystal form I thereof, and a preparation method and an application therefor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.