申请人:Johnson Matthey Public Limited Company
公开号:US05665771A1
公开(公告)日:1997-09-09
Platinum complexes of formula Ia or Ib ##STR1## where each A, is a leaving group and may be the same or different, which is suitably halo, especially chloro, hydroxy, carboxylate or together form a bi-dentate carboxylate or sulphate, each B, which may be the same or different, is halo, hydroxy, carboxylate, carbamate or carbonate ester, Z is a substituted amine wherein the substituent sterically hinders access of the Pt atom to a DNA strand of a tumour cell, and X is NH.sub.3 or mono- or di-alkyl substituted NH.sub.3, are active against cancer cells, and appear to show a unique form of chemical and biological action.
Ia或Ib式铂配合物##STR1##其中每个A都是离去基团,可以相同或不同,适宜为卤素,特别是氯,羟基,羧酸盐或形成双齿羧酸盐或硫酸盐,每个B可以相同或不同,是卤素,羟基,羧酸盐,氨基甲酸酯或碳酸酯酯,Z是取代胺,其中取代基在立体上阻碍了Pt原子进入肿瘤细胞的DNA链,而X是NH.sub.3或单烷基或二烷基取代的NH.sub.3,对癌细胞具有活性,并显示出一种独特的化学和生物作用形式。