Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 95-13-6, Name is Indene, molecular formula is C9H8, belongs to catalyst-ligand compound, is a common compound. In a patnet, author is Banerjee, Abhisek, once mentioned the new application about 95-13-6, Computed Properties of C9H8.
Dinuclear mixed valence cobalt(II/III) and hetero-tetranuclear cobalt(III)/Na complexes with a compartmental ligand: Synthesis, characterization and use as catalysts for oxidative dimerisation of 2-aminophenol
A N2O4 donor compartmental reduced Schiff base ligand, H2L [(2,2-dimethyl-1,3-propanediyl)bis(iminomethylene)bis(6-methoxyphenol)], obtained on 1:2 condensation of 2,2-dimethyl-1,3-propanediamine with ortho-vanillin followed by reduction with NaBH4 in methanol solution, has been used to prepare two cobalt complexes, [(N-3)(CoL)-L-III(mu-OAc)Co-II(N3)] (1) and [(mu-N-3)(2){(AcO)(CoLNa)-L-III(CH3OH)}(2)]2CH(3)OH (2). Complex 1 is a dinuclear mixed valence cobalt(III)/cobalt(II) complex with (CoO2CoII)-O-III core. Complex 2, on the other hand, is a tetranuclear cobalt(III)/sodium complex with CoO2Na(N-3)(2)NaO2Co core. Formation of complex 1 or 2 is mainly governed by the amount of cobalt(II) precursors present in the reaction mixture. Each complex has been characterized by elemental and spectral analysis. X-ray diffraction analysis has confirmed their structures. Complex 1 crystallized in a chiral space group Pna21 where both the cobalt(III) and cobalt(II) centers adopt six-coordinate distorted octahedral geometry with cobalt(III) and cobalt(II) centers residing respectivelyat inner N2O2 and outer O-4 cavities of the reduced Schiff base. Complex 2 crystallized in triclinic system with P1space group, where both cobalt(III) and sodium centers adopt distorted octahedral geometry. Oxidation states of cobalt centers have been confirmed by bond length consideration, BVS calculations as well as from room temperature magnetic moment measurement. Both complexes 1 and 2 show phenoxazinone synthase mimicking activity with kcat values 250.21 and 493.73 h(-1) respectively.
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Reference:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI