Formation of persulphate from sodium sulphite and molecular oxygen catalysed by H5PV2Mo10O40-aerobic epoxidation and hydrolysis
The H5PV2Mo10O40 polyoxometalate catalysed the electron transfer oxidation of sulphite to yield a sulphite radical, SO3- that upon addition of O2 yielded a peroxosulphate species efficient for the H5PV2Mo10O40 catalysed epoxidation of alkenes. The acidic polyoxometalate further catalysed hydrolysis of the epoxide to give vicinal diols in high yields. This journal is
Rubinstein, Amir,Carmeli, Raanan,Neumann, Ronny
p. 13247 - 13249
(2015/05/20)
SYNTHESIS OF 1,2-CYCLOALKANEDIOLS BY INTRAMOLECULAR TITANIUM-INDUCED PINACOL COUPLING
Seven representative 1,2-cycloalkanediols of ring size 6-14 were prepared in high yield by titanium-induced pinacol coupling of dialdehydes.Cis stereochemistry predominated in six- and eight-membered rings, but trans products were formed in ring sizes ten and above.
McMurry, John E.,Rico, Joseph G.
p. 1169 - 1172
(2007/10/02)
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