Patent · US Expired

Derivatives of variolin B

US7329666B2 · kind B2 · utility

9Cited by
0References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 2001
Grant dateFeb 12, 2008
Priority date
Expiry dateAug 3, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P35/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention provides antitumour compounds of formula (I), wherein R1 is an aromatic substituent; R2 is hydrogen or a substituent when the dotted line is absent, or R2 is absent when the dotted line represents a bond to give a double bond between the nitrogen which bears R2 and the carbon which bears R3; R3 is an oxo group ═O when the dotted line is absent or is a substituent when the dotted line represents a bond to give a double bond between the nitrogen bearing R2 and the carbon bearing R3; R4 is hydrogen or a substituent; and pharmaceutically acceptable salts thereof.

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