Patent · US Expired

Tricyclic compounds, preparation method and pharmaceutical compositions containing same

US6423870B1 · kind B1 · utility

5Cited by
2References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 2000
Grant dateJul 23, 2002
Priority date
Expiry dateJul 14, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/30
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention concerns compounds of formula (I) in which: A forms a tricyclic system of formula A1, A2, A3 or A4; R1 represents a hydrogen atom, an alkyl, hydroxy, alkoxy or oxo group; (R2)m and (R3)m′ are such as defined in the description; n represents an integer such that 0≦n≦3; p represents an integer such as defined in the description; B represents a group (a) or (b). The invention is useful for preparing medicines.

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