Abstract

in toluene. Alkyne group was introduced into amino SBA-15 (4) by imine-linkage or substitutionwith propargyl bromide to afford iminoalkyne 5a and aminoalkyne 5b, respectively. Meanwhile, alkyne 5c wasprepared in one-step by reacting triethoxysilyl hexyne with SBA-15. Dicobalt-complexes 6a-c werecharacterized by means of FT-IR, solid-state NMR and elemental analysis. Key Words : Alkyne, Cobalt complex, Mesoporous SBA-15, ImmobilizationIntroductionDiverse physicochemical properties of cobalt complexesrelied on the oxidation state or the ligands on-bound have ledtheir applications into the catalytic Fisher-Tropsche

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