Patent · US Active

Crystal form of orexin receptor antagonist compound, and preparation method and application thereof

US10912775B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignees

Inventors

Songliang Wu · Shanghai, CN
Zhi Luo · Taichung, TW
Yuan Chen · Shanghai, CN
Yuhe Wang · Ann Arbor, US
Dakun Qin · Shanghai, CN
Xiaolin Li · San Diego, US
Zheng Wang · 安丰镇, CN
Weidong Li · Cupertino, US
Haiying He · Shanghai, CN

Key dates

Filing date	Apr 30, 2020
Grant date	Feb 9, 2021
Priority date	—
Expiry date	Apr 30, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D451/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are a preparation method of an orexin receptor antagonist compound 5-3. Crystalline forms I-IV of an orexin receptor antagonist compound 5-3 are provided. Also provided are processes of preparing crystalline forms of the orexin receptor antagonist compound 5-3, as well as methods of using the crystalline forms I-IV for treating an orexin-related disease.

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