Patent · US Active

Variolin derivatives and their use as antitumor agents

US7772241B2 · kind B2 · utility

5Cited by
3References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 2009
Grant dateAug 10, 2010
Priority date
Expiry dateJan 7, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D471/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Variolin derivatives of formula (5) are provided, wherein the substituent groups defined by X2, R1, R2, R3, R6, R7, and R12 are each independently selected from the group consisting of H, OH, OR′, SH, SR′, SOR′, SO2R′, NO2, NH2, NHR′, N(R′)2, NHCOR′, NHSO2R′, CN, halogen, ═O, C(═O)H, C(═O)R′, CO2H, CO2R′, carboxyalkyl, C1-C12 alkyl, C2-C12 alkenyl, C2-C12 alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl and substituted or unsubstituted heteroaromatic; wherein each of the R′ groups is independently selected from the group consisting of H, OH, SH, NO2, NH2, CN, halogen, ═O, C(═O)H, C(═O)CH3, CO2H, CO2CH3, C1-C12 alkyl, C2-C12 alkenyl, C2-C12 alkynyl, aryl, aralkyl and heteroaromatic; wherein the pairs of groups of R1 and R2, R2 and R3, R3 and R12, R12 and R6, or R6 and R7 may be joined into a carbocyclic or heterocyclic ring system.

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