Patent · US Expired

Process for the preparation of the antibiotic 20.798 R.P.

US4013515A · kind A · utility

3Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 1974
Grant dateMar 22, 1977
Priority date
Expiry dateNov 25, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/899
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

20,798 R.P., which has valuable anti-tumor properties, and acid addition salts thereof are prepared by the microbiological reduction of daunorubicin of the formula: ##SPC1## Or of an acid addition salt thereof, to convert the grouping --CO--CH.sub.3 to --CHOHCH.sub.3.

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