Production method of octaphenyl cyclotetrasiloxane
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In a solvent or solvent mixture, alkali catalyzed hydrolysis of dialoxydiphenylsilane or dialoxymethylphenylsilane, in which dialoxydiphenylsilane or dialoxymethylphenylsilane is soluble, but in the solvent or solvent mixture, octaphenylcyclotetrasiloxane or tetramethyltetraphenylcyclotetrasiloxane is slightly soluble or insoluble, providing A method for preparing octaphenylcyclotetrasiloxane or m-tetramethyltetraphenylcyclotetrasiloxane with high yield.