Crystal form of indole derivative and preparation method and use thereof

US11034681B2 · kind B2 · utility

Assignee

• Chia Tai Tianqing Pharmaceutical Group Co., Ltd. · CN

Inventors

• Yuanshan Yao · Shanghai, CN
• Bin Chen · Shanghai, CN
• Feng Gao · Beijing, CN
• Yuan Chen · Shanghai, CN
• Ran Xu · Houston, US
• Chengshuai Yang · Shanghai, CN
• Sheng Zhang · Yantai, CN
• Jian Li · Shanghai, CN
• Shuhui CHEN · Shanghai, CN

Key dates

• Filing date: Jan 18, 2019
• Grant date: Jun 15, 2021
• Expiry date: Jan 18, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/13
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Disclosed are a crystal form of an indole derivative (compound 1) and a pharmaceutical composition and preparation method thereof. The crystal form is used to prepare a drug for treating a disease related to a CRTH2 receptor.