Antitumour compounds have the five membered fused ring ecteinascidin structure of the formula (XIV). The present compounds lack a 1,4-bridging group as found in the ecteinascidins. They have at the C-1 position a substituent selected from an optionally protected or derivatised aminomethylene group or an optionally protected or derivatised hydroxymethylene group.
抗肿瘤化合物具有公式(XIV)的五元融合环ecteinascidin结构。这些化合物缺乏ecteinascidins中发现的1,4-桥接基团。它们在C-1位置具有取代基,该取代基从可选择的保护或衍生的
氨甲基基团或可选择的保护或衍生的羟甲基基团中选择。