[医]酒精误差;
In the meanwhile, the effects of varied acids for protecting third carbonyl group were investigated. Through the trial and error, the mixture of anhydrous alcohol/ petroleum benzine is the good solvent of target molecule recrystal.
考察了酸性对保护3位羰基的影响,确定了无水乙醇/石油醚是目标分子重结晶的最佳溶剂体系。
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