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Abstract N-hydroxyphthalimide (NHPI) was synchronously synthesized and immobilized on crosslinked polystyrene (CPS) microspheres via a short-cut of polymer reactions, obtaining the heterogenous catalyst. Some compositional catalysts were constituted by CPS-NHPI… Click to show full abstract
Abstract N-hydroxyphthalimide (NHPI) was synchronously synthesized and immobilized on crosslinked polystyrene (CPS) microspheres via a short-cut of polymer reactions, obtaining the heterogenous catalyst. Some compositional catalysts were constituted by CPS-NHPI microspheres and metal salts, and they were used in the oxidation reactions of 1-phenylethanol with molecular oxygen as oxidant. Among four co-catalysts, vanadyl acetacetonate (VO(acac)2), Co(OAc)2, CoCl2 and Mn(OAc)2, the catalytic activity of VO(acac)2 is the best although cobalt and manganese salts are conventional co-catalysts of NHPI. Under mild conditions, CPS-NHPI microspheres in combination with VO(acac)2 can transform selectively 1-phenylethanol into acethenone with a conversion of 40%.
Journal Title: Catalysis Communications
Year Published: 2018
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