Patent · US Active

2,4-diaminoquinazoline derivatives and medical uses thereof

US11597704B2 · kind B2 · utility

0Cited by
33References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2019
Grant dateMar 7, 2023
Priority date
Expiry dateFeb 28, 2039

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P37/06
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This application relates to quinazoline derivatives of formula (I), pharmaceutical compositions comprising the compounds of formula (I), and the use of the compounds of formula (I) in the treatment or prevention of a viral infection, of a virus-induced disease, of cancer or of an allergy. In formula (I), R1 is a C3-8alkyl, optionally substituted by one or more substituents independently selected from fluorine, hydroxyl, amino, nitrile, ester, amide, C1-3 alkyl, or C1-3 alkoxy, the carbon of R1 bonded to the amine in the 4-position of the quinazoline is in (R)-configuration, R2 is hydrogen, deuterium, fluorine, chlorine, methyl, methoxy, cyclopropyl, trifluoromethyl, or carboxylic amide, wherein each of methyl, methoxy and cyclopropyl is optionally substituted by one or more substituents independently selected from fluorine and nitrile, R3 is hydrogen or deuterium, R4 is hydrogen, deuterium, fluorine, methyl, carboxylic ester, carboxylic amide, nitrile, cyclopropyl, C4-7 heterocycle, or 5-membered heteroaryl group, wherein each of methyl, cyclopropyl, C4-7 heterocycle and 5-membered heteroaryl group is optionally substituted by one or more substituents independently selected from fl…

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