We report the oxidation of a wide range of alcohols using an environmentally benign and economical process. The use of Pd/C heterogeneous catalysts along with NaBH4 in aqueous ethanol or methanol and either K2CO3 or KOH as base at room temperature under molecular oxygen or air give the corresponding oxidation products. This protocol is versatile since it is capable of oxidizing alcohols to its desired carbonyl or carboxyl counterpart. Room temperature reaction in aqueous system and recyclability of the catalyst are among the advantages of this manipulation. These advantages make the process safe and cheaper rendering it favorable from both economic and environmental viewpoints.
我们报道了一种环境友好且经济的工艺,用于广泛范围内的醇的氧化。在室温下,使用Pd/C非均相催化剂与NaBH4在
水相
乙醇或
甲醇中,配合K2CO3或KOH作为碱,在分子氧或空气的作用下,得到了相应的氧化产物。这一方案具有多样性,因为它能够将醇氧化为其所需的羰基或羧基对应物。室温下的
水相反应及催化剂的可循环利用是该操作的优点之一。这些优势使得该工艺既安全又成本低廉,从经济和环境角度来看都是可取的。