Patent · US Expired

Physiologically active substances

US7256178B2 · kind B2 · utility

7Cited by
1References
39Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 31, 2003
Grant dateAug 14, 2007
Priority date
Expiry dateJul 31, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12P17/162
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Compounds represented by the following general formula (I), pharmacologically acceptable salts thereof or hydrates of the same: (I) wherein W representsand R3, R7, R16, R17, R20, R21 and R21′ are the same or different and each represents hydrogen, etc. Because of inhibiting angiogenesis and inhibiting the production of VEGF particularly in hypoxia, the compounds (I) are useful as remedies for solid cancer.

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