Efficient Epoxidation of Olefins by Silica Supported Dioxidomolybdenum(VI) Coordination Compounds

Bikas, Rahman; Heydari, Neda; Asadollahi, Pegah; Lis, Tadeusz

doi:10.1007/s10562-023-04300-7

Catal Lett

2023

DOI: 10.1007/s10562-023-04300-7

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Efficient Epoxidation of Olefins by Silica Supported Dioxidomolybdenum(VI) Coordination Compounds

Rahman Bikas

Neda Heydari²,

Pegah Asadollahi³

et al.

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2024

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Cited by 3 publications

References 97 publications

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Impact of Surface Modification on the Oxidation of Linear Aliphatic Alcohols by Vanadium Complexes Supported on Merrifield Resin with Mixed Functionality Ligands

Kachhap,

Chaudhary,

Haldar

2024

ChemistrySelect

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Two oxidovanadium(IV) complexes [VO(xbp‐sc)] (1) and [VO(xbp‐tc)] (2) were prepared using hydrazine‐ether mixed functionality ligands Hxbp‐sc (I) and Hxbp‐tc (II), respectively. Complexes 1 and 2 were carefully grafted separately into imidazole‐modified chloromethylated polystyrene (Ps−Im) and unmodified chloromethylated polystyrene (PS−Cl) beads. Successfully anchored vanadium complexes Ps−Im‐[VO(xbp‐sc)] (3), Ps−Im‐[VO(xbp‐tc)] (4), Ps‐[VO(xbp‐sc)] (5), and Ps‐[VO(xbp‐tc)] (6) were tested for their catalytic potential towards the oxidation of aliphatic alcohols in the presence of hydrogen peroxide. Polymer‐grafted catalysts display excellent substrate conversion compared to most recent reports and good recyclability up to three cycles without losing much reactivity. High TOF values in the range of 183–591 h−1 are observed for the supported catalysts 3–6. The highest substrate conversion is observed for ethanol (63–97 %) under the optimized reaction conditions. Mainly, better substrate conversion is obtained with imidazole‐modified polymer beads grafted catalysts 3 and 4 than those grafted on unmodified polymer beads (5 and 6). Moreover, catalysts with the semicarbazide group in their ligand framework (3 and 5) show better reactivity towards alcohol with fewer carbon atoms. On the contrary, alcohols with longer carbon chains oxidize more easily in the presence of the catalyst with thiosemicarbazide frameworks (4 and 6).

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Impact of Surface Modification on the Oxidation of Linear Aliphatic Alcohols by Vanadium Complexes Supported on Merrifield Resin with Mixed Functionality Ligands

Kachhap,

Chaudhary,

Haldar

2024

ChemistrySelect

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show abstract

Synthesis, crystal structure and Hirshfeld surface analysis of Mn(II) coordination compounds with ONO-donor ligands derived from ampyrone

Bikas,

Darvishvand,

Najafipour

et al. 2024

Journal of Molecular Structure

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Magnetic studies and Hirshfeld surface analysis of acetato bridged 2D Mn(II) coordination polymer with 4-aminobenzohydrazide ligand

Heydari,

Bikas,

Kalofolias

et al. 2024

Polyhedron

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Efficient Epoxidation of Olefins by Silica Supported Dioxidomolybdenum(VI) Coordination Compounds

Cited by 3 publications

References 97 publications

Impact of Surface Modification on the Oxidation of Linear Aliphatic Alcohols by Vanadium Complexes Supported on Merrifield Resin with Mixed Functionality Ligands

Impact of Surface Modification on the Oxidation of Linear Aliphatic Alcohols by Vanadium Complexes Supported on Merrifield Resin with Mixed Functionality Ligands

Synthesis, crystal structure and Hirshfeld surface analysis of Mn(II) coordination compounds with ONO-donor ligands derived from ampyrone

Magnetic studies and Hirshfeld surface analysis of acetato bridged 2D Mn(II) coordination polymer with 4-aminobenzohydrazide ligand

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