Chemical and Pharmaceutical Bulletin 1992-Jun
Synthesis, structure and antitumor activity of a water-soluble platinum complex, (1R,3R,4R,5R)-(-)-quinato(1R,2R-cyclohexanediamine)platinum (II).
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The reaction of dihydroxo(1R,2R-cyclohexanediamine)platinum(II) with (-)-quinic acid gave a water soluble complex, (-)-quinato(1R,2R-cyclohexanediamine)platinum(II). The crystal structure of the complex was determined by X-ray analysis. The data indicate a chelation of the alpha-hydroxycarboxylic acid part of quinic acid to platinum(II). The complex shows moderate antitumor activity against murine leukemia L1210 at high doses (T/C x 100 = 179% at a dose of 200 mg/kg).