The acetolysis,oxidation and hydrolysis reactions in the synthetic process of 16-dehydropregnenolone acetate from diosgenin were studied.
研究
蓣皂素为原料合成妊娠双烯醇酮醋酸酯生产工艺中的开环、氧化和水解3步反应。
The acetolysis,oxidation and hydrolysis reactions in the synthetic process of 16-dehydropregnenolone acetate from diosgenin were studied.
研究蓣皂素为原料合成妊娠双烯醇酮醋酸酯生产工艺中的开环、氧化和水解3步反应。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
醋酸和乙二醇
乙醚为原料,活性白土负载磷钨酸作为催化剂,合成乙二醇乙醚醋酸酯。
声明：
上例句、词性分
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