Abstract
In the search for a fine modulation of cisplatin analogues we have synthesized complexes with two different inert ligands bound to platinum in the cis- position. This paper reports on compounds of formula cis-[PtCl 2(aaH)(tba)] (aaH, amino acid; tba, tert-butylamine). These complexes have been synthesized with the aim of obtaining liposoluble cisplatin analogues bound to natural carrier groups. The derivatives of glycine, D-alanine, L-threonine, and L-serine were found to be moderately active against murine P388 and L1210 leukemia models. The compound K[PtCl 3(tba)] was also found to be active against the same tumor models. Their activity and potency was, however, much lower than that of cisplatin.
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