Articles with "epoxidation olefins" as a keyword



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Mn(III)‐salan/graphene oxide/magnetite nanocomposite as a highly selective catalyst for aerobic epoxidation of olefins

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Published in 2017 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3554

Abstract: A nanocomposite was synthesized using carbon-coated Fe3O4 nanoparticle-decorated reduced graphene oxide as a convenient and efficient supporting material for grafting of a manganese–reduced Schiff base (salan) complex via covalent attachment. The nanocomposite was characterized using… read more here.

Keywords: graphene oxide; catalyst aerobic; aerobic epoxidation; epoxidation ... See more keywords
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Manganes-Porphyrin as Efficient Enantioselective Catalyst for Aerobic Epoxidation of Olefins

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Published in 2018 at "Catalysis Letters"

DOI: 10.1007/s10562-018-2447-8

Abstract: A chiral manganese porphyrin, [Mn(TCPP-Ind)Cl], was synthesized using cis-1-amino-2-indanol substituent. It showed remarkable catalytic activity and enantioselectivity in the epoxidation of olefins with O2/RCHO. Terminal olefins and styrene derivatives were successfully oxidized (> 99% ee). TON… read more here.

Keywords: manganes porphyrin; efficient enantioselective; epoxidation; enantioselective catalyst ... See more keywords
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Clicked graphene oxide as new support for the immobilization of peroxophosphotungstate: Efficient catalysts for the epoxidation of olefins

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Published in 2017 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2017.06.073

Abstract: Abstract Peroxophosphotungstate (PW) anions were successfully immobilized on the surface of clicked graphene oxides and used as heterogeneous catalysts for the epoxidation of various olefins using H2O2 as oxidant. Graphene oxide (GO) was functionalized with… read more here.

Keywords: graphene oxide; immobilization; catalysts epoxidation; peroxophosphotungstate ... See more keywords
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Covalent functionalization of graphene oxide with molybdenum-carboxylate complexes: New reusable catalysts for the epoxidation of olefins

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Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2017.11.025

Abstract: Abstract New graphene oxide (GO) and reduced graphene oxide (rGO) supported molybdenum catalysts were designed for the epoxidation of olefins. First, the surfaces of GO and rGO were functionalized with appropriate carboxylic acid ligands. Complexation… read more here.

Keywords: graphene oxide; molybdenum carboxylate; carboxylate complexes; epoxidation olefins ... See more keywords
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Green solvent free epoxidation of olefins by a heterogenised hydrazone-dioxidotungsten(vi) coordination compound

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d1ra09217k

Abstract: A new mononuclear tungsten coordination compound, [WO2L(CH3OH)] (1), was synthesized by the reaction of WCl6 and H2L (H2L = (E)-4-amino-N′-(5-bromo-2-hydroxybenzylidene)benzohydrazide) in methanol. Both the H2L and compound 1 were characterized by elemental analysis and UV-Vis,… read more here.

Keywords: coordination compound; spectroscopy; epoxidation olefins; compound ... See more keywords