Patent · US Expired

Quinazoline derivatives

US7262201B1 · kind B1 · utility

37Cited by
12References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 1999
Grant dateAug 28, 2007
Priority date
Expiry dateOct 5, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/14
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to the use of compounds of the formula I:wherein: ring C is a 5-6 membered heterocyclic moiety; Z is —O—, —S—, or —CH2—; R1 is hydrogen, C1-4alkyl, C1-4alkoxymethyl, di(C1-4)alkoxy)methyl, C1-4alkanoyl, trifluoromethyl, cyano, amino, C2-5alkenyl, C2-5alkynyl, carboxy, C3-7cycloalkyl, C3-7-cycloalkylC1-3alkyl, or an optionally substituted group selected from phenyl, benzyl, phenylC2-4alkyl and a 5-6 membered heterocyclic group; n is an integer from 0 to 5; m is an integer from 0 to 3; R2 represents hydrogen, hydroxy, halgeno, cyano, nitro, trifluoromethyl, C1-3alkyl, C1-3alkoxy, C1-3alkylsulphanyl, —NR3R4 (wherein R3 and R4, which may be the same or different, each represents hydrogen or C1-3alkyl), or R5X1— (wherein X1 represents a direct bond, —CH2—, or a heteroatom linker group and R5 is an alkyl, alkenyl or alkynyl chain optionally substituted by for example hydroxy, amino, nitro, alkyl, cycloalkyl, alkoxyalkyl, or an optionally substituted group selected from pyridone, phenyl and a heterocyclic ring, which alkyl, alkenyl or alkynyl chain may have a heteroatom linker group, or R5 is an optionally substituted group selected from pyridone, phenyl and a hetero…

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