【摘要】 目的研究药物螺内酯中所含的杂质。方法应用色谱方法进行分离和纯化,NMR和MS等波谱解析化学结构。结果从螺内酯母液中分离得到2个化合物,分别鉴定为7α-乙酰硫基-17β-甲氧基-孕甾-4-烯-3-酮(2)和17β-羟基-3-氧代孕烷-4-烯-21-羧酸-γ-内酯(3)。结论化合物2为新化合物。更多还原

【Abstract】 OBJECTIVE To study the impurity of spironolactone.METHODS The chemical constituents were separated by chromatography.The structure was determined by NMR and MS spectral analysis.RESULTS Two spironalactone-analogs were isolated and identified as 7α-acetylthio-17β-methoxy-pregn-4-en-3-one(2) and 17β-hydroxy-3-oxopregna-4-ene-21-carboxylic acid γ-lactone(3).CONCLUSION Compound 2 was a new compound.更多还原