申请人:Teijin Limited
公开号:US05405839A1
公开(公告)日:1995-04-11
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.
本发明涉及维生素B.sub.12化合物、盐和制药组合物,其含有以下公式(I)所代表的化合物:##STR1## 其中,L是与卡林环上的钴配位的配体,选自氰基或腺苷基的群组,B是咪唑基团或5,6-二甲基苯并咪唑基团,R是直链烷基,具有1至8个碳原子。本发明还公开了制备公式(I)化合物的方法,以及在体外测定、细胞生长研究和使用移植小鼠肿瘤细胞的体内研究中使用化合物的方法。