申请人:Ma Shengming
公开号:US20120220792A1
公开(公告)日:2012-08-30
Provided is a process for producing aldehydes or ketones by oxidizing alcohols with oxygen, which comprises oxidizing alcohols to aldehydes or ketones in an organic solvent at room temperature with oxygen or air as an oxidant, wherein ferric nitrate (Fe(NO3)3.9H2O), 2,2,6,6-tetramethylpiperidine N-oxyl (TEMPO) and an inorganic chloride are used as catalysts, the reaction time is 1-24 hours, and the molar ratio of said alcohols, 2,2,6,6-tetramethylpiperidine N-oxyl and the inorganic chloride is 100:1˜10:1˜10:1˜10. The present process has the advantages of high yield, mild reaction conditions, simple operation, convenient separation and purification, recoverable solvents, substrates used therefor being various and no pollution, and therefore it is adaptable to industrialization.
提供的是一种通过氧化醇类化合物制备醛或酮的方法,包括在有机溶剂中利用氧气将醇类化合物氧化为醛或酮,反应在室温下进行,氧气或空气作为氧化剂,催化剂包括硝酸铁(Fe(NO3)3.9H2O)、2,2,6,6-四甲基哌啶氮氧自由基(TEMPO)和一种无机氯化物,反应时间为1-24小时,所述醇类化合物、2,2,6,6-四甲基哌啶氮氧自由基和无机氯化物的摩尔比为100:1˜10:1˜10:1˜10。该方法具有产率高、反应条件温和、操作简单、分离纯化方便、可回收溶剂、底物种类多样且无污染等优点,因此适用于工业化生产。