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Preparation of 9-fluorenone involves combining fluorene and quaternary ammonium salt, dissolving in nitrogen-containing heterocyclic compound to obtain oil phase, and dissolving alkali catalyst in water to obtain aqueous phase. 专利
申请日期: 2013-01-01, 公开日期: 2013-12-11
作者:  YU L LI H GAO T GAO Z HE Y
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