Patent · US Active

Crystal form of morpholino quinazoline compound, preparation method therefor and use thereof

US11168072B2 · kind B2 · utility

0Cited by

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10Claims

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Assignee

Shanghai Yingli Pharmaceutical Co., Ltd. · CN

Inventors

Zusheng XU · Shanghai, CN
Yangtong LOU · Shanghai, CN

Key dates

Filing date	Sep 12, 2019
Grant date	Nov 9, 2021
Priority date	—
Expiry date	Sep 12, 2039

Classification

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

Abstract

A crystal form I of a morpholino quinazoline compound represented by the following formula A, a preparation method therefor and use thereof. The crystal form I has good stability and non-hygroscopicity, and the preparation method is simple and suitable for industrial production.

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