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Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
Preparation and characterization of organotin-oxomolybdate coordination polymers and their use in sulfoxidation
Marta Abrantes1, Anabela A Valente, Martyn Pillinger
1Instituto de Tecnologia Química e Biológica da Universidade Nova de Lisboa, Quinta do Marquês, 2781-901 Oeiras, Portugal.
Abstract:
The organotin-oxomolybdates [(R(3)Sn)(2)MoO(4)].n H(2)O (R=methyl, n-butyl, cyclohexyl, phenyl, benzyl) have been prepared and tested as catalysts for the oxidation of benzothiophene with aqueous hydrogen peroxide, at 35 degrees C and atmospheric pressure. In all cases, the 1,1-dioxide was the only observed product. The kinetic profiles depend on the nature of the tin-bound R group and also on the addition of a co-solvent. For the tribenzyltin derivative, the apparent activation energies for sulfoxidation as a function of the co-solvent are in the order 1,2-dichloroethane (5 kcal mol(-1))
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