Patent · US Expired

A89271 factors and processes for their production

US5457119A · kind A · utility

1Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1994
Grant dateOct 10, 1995
Priority date
Expiry dateJul 8, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/946
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

New hapalindole-type alkaloids called A89271 A-F and I are antifungal and antitumor agents. Methods for preparing them and for preparing hapalindoles G and H by culturing the blue-green alga Fischerella ambigua ATCC 55210 are provided. Methods for preparing A89271 factors B and F by culturing the blue-green alga Hapalosiphon hibernicus ATCC 55225 and a biologically pure culture of this alga are also provided. Further provided are methods and compositions for the inhibition of fungal growth and the treatment of susceptible neoplasms.

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