Oxaspiro\x9b2,5! octanes of the formula ##STR1## inhibit angiogenesis and are particularly suitable for the treatment of solid tumors. In preferred embodiments, R.sup.1 is a carbamoyl derivative, R.sup.2 is an alkoxy substituent and R.sup.3 is ##STR2## Pharmaceutical salts of these compounds, such as methyl, amonium and organic amine salts also exhibit desirable properties.
Oxaspiro\x9b2,5! 公式为 ##STR1## 的
辛烷类物质抑制血管生成,特别适用于固体肿瘤的治疗。在优选实施例中,R.sup.1 是一个
氨基甲酰衍
生物,R.sup.2 是一个烷氧基取代基,而R.sup.3 是 ##STR2## 这些化合物的药用盐,如甲基、
铵和有机胺盐也具有理想的性质。