Estratriene derivatives of the following formula have a powerful inhibitory effect on estrone sulfatase and are hence useful for the prophylaxis or treatment of diseases caused by estrogens, such as breast cancer, uterine cancer, ovarian cancer, endometriosis, adenomyosis uteri and mastopathy.
Wherein one of A and B represents C=O or CH2 and the other represents O or NH; and R represents -SO2NR1R2 or -PO(OM)2 in which R1 and R2 each independently represent a hydrogen atom or a lower alkyl group and M represents a hydrogen atom or an alkali metal; provided that, when one of A and B represents NH, the other represents C=O.
下式中的雌
三烯衍
生物对
雌酮硫酸酯酶有很强的抑制作用,因此可用于预防或治疗由
雌激素引起的疾病,如乳腺癌、子宫癌、卵巢癌、子宫内膜异位症、子宫腺肌症和乳腺增生症。
其中,A 和 B 中的一个代表 C=O 或
CH2,另一个代表 O 或 NH;R 代表 -SO2NR1R2 或 -PO(OM)2 其中,R1 和 R2 各自独立地代表氢原子或低级烷基,M 代表氢原子或碱
金属;但当 A 和 B 中的一个代表 NH 时,另一个代表 C=O。