Preparation and characterization of organotin - Oxomolybdate coordination polymers and their use in sulfoxidation catalysis

abstract

The organotin-oxomolybdates [(R3Sn)(2)MoO4] . nH(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 35degreesC 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 cosolvent. For the tribenzyltin derivative, the apparent activation energies for sulfoxidation as a function of the cosolvent are in the order 1,2-dichloroethane (5 kcal mol(-1))

keywords

TI-CONTAINING ZEOLITES; CURVED-WAVE THEORY; HYDROGEN-PEROXIDE; RAMAN-SPECTROSCOPY; EXAFS CALCULATIONS; SULFUR-COMPOUNDS; OXIDATION; OXIDE; HYDRODESULFURIZATION; DIBENZOTHIOPHENES

subject category

Chemistry

authors

Abrantes, M; Valente, AA; Pillinger, M; Goncalves, IS; Rocha, J; Romao, CC

our authors

Share this project:

Related Publications

We use cookies for marketing activities and to offer you a better experience. By clicking “Accept Cookies” you agree with our cookie policy. Read about how we use cookies by clicking "Privacy and Cookie Policy".