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本文报道具有抗生育活性的甾族化合物STS557及其酮肟衍生物和7α-甲基类似物的合成。以雌酚酮为原料,参照已知方法合成STS557,然后和盐酸羟胺加成得到酮肟衍生物。7α-甲基取代类似物的合成则是以醋酸
This paper reports the synthesis of the steroid STS557 with anti-fertility activity and its ketoxime derivatives and 7α-methyl analogues. With estrone as raw material, STS557 was synthesized by the known method and then added with hydroxylamine hydrochloride to obtain ketoxime derivative. Synthesis of 7α-methyl substituted analogues is acetic acid