Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1984-12-12
1985-12-31
Evans, J. E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
549453, 568658, 568821, 568833, 568838, 568847, 568860, C07C 2903, C07C 3120, C07C 3127, C07C 3326
Patent
active
045622990
ABSTRACT:
A process for the preparation of water-soluble vicinal diols by means of a direct catalytic hydroxylation of the corresponding olefines with H.sub.2 O.sub.2. An olefine possibly carrying functional groups inert under the reaction conditions, and whose corresponding vicinal diol is soluble in water, is made to react, under vigorous stirring, with H.sub.2 O.sub.2 at a temperature between 0.degree. and 120.degree. C. and at a pressure between 1 and 100 atmospheres, in a two-phase aqueous liquid/organic liquid system consisting or consisting essentially of an acid aqueous phase containing H.sub.2 O.sub.2 and of an organic phase containing (1) said olefine; (2) possibly a solvent immiscible with the aqueous phase; and (3) a catalyst of the formula:
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Gambaro Mario
Venturello Carlo
Evans J. E.
Montedison S.p.A.
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