| abstract |
(57) [Summary] [Structure] As a novel platinum (II) complex, a compound represented by the general formula: [Chemical formula 2] Represents a cycloheptane ring or a cyclooctane ring, and B represents a functional group in which glycolic acid or two B's are combined to form a glycolate]. [Effect] The compound of the present invention has excellent water solubility, strong antitumor activity, and low toxicity, and thus is useful as a new antitumor active substance. |