Epoxidation of allylic alcohols by hydrogen peroxide in the presence of complexed peroxotungstic species

Peroxotungstic acid and quaternary ammonium peroxotungstic salts when complexed to organophosphorus(V) ligands exhibit enhanced reactivity and selectivity in the epoxidation of unsaturated alcohols with hydrogen peroxide. The organophosphorus ligands contain the phosphoryl OP subunit as complexing...

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Published inJournal of molecular catalysis. A, Chemical Vol. 114; no. 1; pp. 77 - 85
Main Authors Gelbard, G, Raison, F, Roditi-Lachter, E, Thouvenot, R, Ouahab, L, Grandjean, D
Format Journal Article
LanguageEnglish
Published Elsevier B.V 1996
Elsevier [1995, Vol. 95, n° 1-janvier 2017, vol. 426, part B]
Subjects
Allylic alcohols
Amine oxide
Catalysis
Chemical Sciences
Epoxidation
Hydrogen peroxide
Peroxotungstic
Phosphine oxide
Phosphonic acid
Tungsten
Hydrogen peroxide
Tungsten
Epoxidation
Peroxotungstic
Phosphonic acid
Allylic alcohols
Amine oxide
Phosphine oxide
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Summary:Peroxotungstic acid and quaternary ammonium peroxotungstic salts when complexed to organophosphorus(V) ligands exhibit enhanced reactivity and selectivity in the epoxidation of unsaturated alcohols with hydrogen peroxide. The organophosphorus ligands contain the phosphoryl OP subunit as complexing moiety and are related to phosphine oxide, arylphosphonic acid and acidic phosphate ester. Allylic and cinnamic alcohols were examined under homogeneous and biphasic liquid-liquid conditions.
ISSN:1381-1169
1873-314X
DOI:10.1016/S1381-1169(96)00305-6