Patent · US Expired

Vitamin B.sub.12 derivative, preparation process thereof, and use thereof

US5405839A · kind A · utility

13Cited by
0References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 1993
Grant dateApr 11, 1995
Priority date
Expiry dateAug 11, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F15/065
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Vitamin B.sub.12 compounds, salts and pharmaceutical compositions containing said compounds represented by formula (I): ##STR1## wherein L, a ligand to the cobalt of the corrin ring, is selected from the group consisting of a cyano or adenosyl group, B is an imidazole group or a 5,6-dimethylbenzimidazole group, and R is a straight alkylene group having 1 to 8 carbon atoms, are disclosed. Methods for preparing compounds of Formula (I) as well as methods for using the compounds in in vitro assays, in cell growth studies and in in vivo studies using transplanted murine tumor cells are disclosed.

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