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The use of [Mn 2 O 3 (tmtacn) 2 ](PF 6 ) 2 (tmtacn=1,4,7-trimethyl-1,4,7-triazacyclononane) in combination with glyoxylic acid methylester methyl hemiacetal (GMHA) results in a highly active and hydrogen peroxide efficient catalyst for the epoxidation of olefins as well as the first homogeneous catalytic cis-dihydroxylation system with H 2 O 2 ...
Chemoselective sulfur oxidation of functionalized sulfides was developed using catalytic amounts of MnSO 4 .H 2 O (1 mol%) and 30% H 2 O 2 in the presence of a buffer solution of NaHCO 3 . Aromatic and aliphatic sulfides were oxidized to sulfones in quantitative yields in 15 min. Different functional groups including double bonds, alcohols, ethers of THP and...
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