Abstract
Iron and manganese complexes meso-tetraphenylporpholactone, MTPPLX, and
meso-tetraphenyl-2,3-dihydroxy-2,3-chiorin, MTPP(OH)(2)X (X = Cl and
(CH(3)COO)), are efficient catalysts for selective oxidation of sulfides
with hydrogen peroxide. The effect of catalyst concentration on the
conversion, selectivity and yield of products were studied. The results
show that iron and manganese porpholactones and chlorins are a slightly
better catalyst than TPP analogues for most sulfide substrates. (C) 2009
Elsevier B.V. All rights reserved.
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