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Ball Mill 25ml Jar

The present invention relates to a 25-hydroxy-7-dehydrocholesterol synthetic method, a 25-hydroxy-7-keto-cholesterol derivative is used as a raw material for mechanical milling reaction in a ball mill pot under the effect of sulfonyl hydrazide and a base in the absence of an organic solvent, and then hydrolysis reaction is performed to obtain 25-hydroxy-7-dehydrocholesterol synthetic method.

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