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发明授权
US4656192A Tropolone derivatives, processes for the preparation thereof and the use thereof as anti-tumor agents 失效
托乐酚衍生物，其制备方法及其作为抗肿瘤剂的用途

Tropolone derivatives, processes for the preparation thereof and the use thereof as anti-tumor agents
摘要：
New tropolone derivatives of the general formula: ##STR1## wherein R.sup.1 represents H or an alkyl group, R.sup.2 represents an alkyl, aryl, aralkyl or heterocyclic group and R.sup.3 represents an alkoxyl, aryl or heterocyclic group or a group of the formula: ##STR2## or R.sup.2 and R.sup.3 may form together a part of a heterocyclic group, their metal complex salts, processes for the preparation thereof and the use thereof as anti-tumor agents.
摘要（中）：

新的具有下式的新托曲酮衍生物：其中R 1表示H或烷基，R 2表示烷基，芳基，芳烷基或杂环基，R 3表示烷氧基，芳基或杂环基或下式的基团： >或R 2和R 3可以一起形成杂环基的一部分，它们的金属络合盐，其制备方法及其作为抗肿瘤剂的用途。

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