Liquid-phase oxidation of olefins with rare hydronium ion salt of dinuclear dioxido-vanadium(V) complexes and comparative catalytic studies with analogous copper complexes was written by Maurya, Abhishek;Haldar, Chanchal. And the article was included in Applied Organometallic Chemistry in 2021.Synthetic Route of C8H16O2 The following contents are mentioned in the article:
Homogeneous liquid-phase oxidation of a number of aromatic and aliphatic olefins was examined using dinuclear anionic vanadium dioxido complexes [(VO2)2(salLH)]and [(VO2)2(NsalLH)] and dinuclear copper complexes [(CuCl)2(salLH)] and [(CuCl)2(NsalLH)] (reaction of carbohydrazide with salicylaldehyde and 4-diethylamino salicylaldehyde afforded Schiff-base ligands [salLH4] and [NsalLH4], resp.). Anionic vanadium and copper complexes were isolated in the form of their hydronium ion salt, which is rare. The mol. structure of the hydronium ion salt of anionic dinuclear vanadium dioxido complex [(VO2)2(salLH)] was established through single-crystal X-ray anal. In the presence of hydrogen peroxide, both dinuclear vanadium dioxido complexes were applied for the oxidation of a series of aromatic and aliphatic alkenes. High catalytic activity and efficiency were achieved using dinuclear anionic vanadium dioxido complexes in the oxidation of olefins. Alkenes with electron-donating groups make the oxidation processes easy. Thus, in general, aromatic olefins show better substrate conversion in comparison to the aliphatic olefins. Under optimized reaction conditions, both copper catalysts fail to compete with the activity shown by their vanadium counterparts. Irresp. of olefins, metal (vanadium or copper) complexes of the ligand [salLH4] show better substrate conversion(%) compared with the metal complexes of the ligand [NsalLH4]. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Synthetic Route of C8H16O2).
Methyl heptanoate (cas: 106-73-0) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Synthetic Route of C8H16O2
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics