Patent · US Expired

Dihydro-benzo(1,4)oxazines

US6632814B1 · kind B1 · utility

12Cited by
4References
19Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 23, 2000
Grant dateOct 14, 2003
Priority date
Expiry dateAug 23, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D265/36
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention is directed to physiologically active compounds of formula (I): whereinR1 represents R3—Z3—, R3—L2—R4—Z3—, R3—L3—Ar1—L4—Z3— or R3—L3—Ar1—L2—R4—Z3—;R2 represents hydrogen, halogen, lower alkyl or lower alkoxy;A1 represents a straight chain C2-3alkylene linkage optionally substituted by one or more groups chosen from alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, imino, oxo, thioxo, or alkyl substituted by —ZR6, —NY1Y2, —CO2R6 or —C(═O)—NY1Y2;L1 represents a direct bond; an alkenylene, alkylene, alkynylene, cycloalkenylene, cycloalkylene, heteroaryldiyl, heterocycloalkylene or arylene linkage each optionally substituted by (a) an acidic functional group, cyano, oxo, —S(O)mR9, R3, —C(═O)—R3, —C(═O)—OR3, —N(R8)—C(═O)—R9, —N(R8)—C(═O)—OR9, —N(R8)—SO2—R9, —NY4Y5 or —[C(═O)—N(R10)—C(R5)(R11)]p—C(═O)—NY4Y5, or by (b) alkyl substituted by an acidic functional group, or by S(O)mR9, —C…

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