CATALYTIC TRANSFORMATIONS OF SULFUR DIOXIDE INTO ORGANIC SULFUR COMPOUNDS
1998
The applications of catalytic transformations of SO2 into sulfur-containing organic compounds, reported in the literature, are briefly reviewed. The authors' studies in this field of chemistry,viz., the hydrosulfination of alkenes, the synthesis of γ-oxo sulfonesvia hydrosulfination, and the synthesis of aromatic sulfinic acids from diazonium salts, are summarized. Current results on the synthesis of the new sulfinato complex [Pd(SO2Ph)(Cl)dppp] and its hydrogenation to PhSO2H are presented, and a mechanism for the catalytic synthesis of sulfinic acids is proposed. The structure of ([Pd(μ-Cl)(dppp)l2 2+(SO4)2−·4SO2 salt is studied by X-ray diffraction analysis.
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