Naslov
Synthesis and catalytic activity of novel molybdenum hydrazonato complexes

Autori
Razum, Marta

Vrsta, podvrsta i kategorija rada
Ocjenski radovi, diplomski rad, diplomski

Fakultet
Prirodoslovno-matematički fakultet

Mjesto
Zagreb

Datum
14.11

Godina
2019

Stranica
61

Mentor
Pisk, Jana ; Agustin, Dominique

Ključne riječi
cis-cyclooctene, hydrazones, molybdenum(VI) complexes, solvent-free epoxidation

Sažetak
As a part of this diploma thesis, solution- based and mechanochemical syntheses of hydrazone compounds, obtained from 2, 3- dihydroxybenzaldehyde and 2- or 4- aminobenzhydrazide (H2L1 and H2L2), was performed. Two dinuclear dioxomolybdenum(VI) complexes, [MoO2L]2, and two mononuclear complexes, [MoO2L(MeOH), ] have been synthesised by the reaction of [MoO2(acac)2] and corresponding hydrazone ligand H2L in 1:1 molar ratio. Mononuclear complexes [MoO2L(MeOH)] were obtained from methanol solution, while dinuclear complexes [MoO2L]2 from acetonitrile one. Complexes were characterised by IR and NMR spectroscopies and analysed by TG and elemental analyses. The catalytic activity of all complexes was tested under organic solvent-free for the epoxidation of cis-cyclooctene and oct- 1-ene with three different oxidants, aqueous tert-butyl hydroperoxide, tert-butyl hydroperoxide in decane and hydrogen peroxide, with the emphasis on the low catalyst loading (0.25 mol% vs. substrate).

Izvorni jezik
Engleski

Znanstvena područja
Kemija

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