Patent · US Expired

Maytansinoid compound

US4362663A · kind A · utility

291Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 1980
Grant dateDec 7, 1982
Priority date
Expiry dateSep 17, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/872
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Antibiotic C-15003 PND of the formula: ##STR1## wherein R is H or alkanoyl containing not more than 5 carbon atoms is produced by contacting a maytansinoid compound with a culture broth, inclusive of a processed matter derived therefrom, of a microorganism belonging to one of the genera Streptomyces and Chainia which is able to transform said maytansinoid compound into Antibiotic C-15003 PND. Antibiotic C-15003 PND is useful as antitumor, antifungal or antiprotozoal agent.

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