Cetylpyridinium dodecatungstate on fluorapatite: efficient and reusable solid catalyst for solvent-free epoxidation

We have developed a new catalytic solid phase system for epoxidations using urea–hydrogen peroxide complex (urea–H₂O₂) and cetylpyridinium dodecatungstate ((CetylPy)₁₀ [H₂W₁₂O₄₂]) catalyst on fluorapatite. In the solid phase system epoxidations of cyclic alkenes and allylic alcohols proceeded withou...

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Published inGreen chemistry : an international journal and green chemistry resource : GC Vol. 5; no. 5; pp. 491 - 493
Main Authors Ichihara, Junko, Kambara, Akihiro, Iteya, Katsuma, Sugimoto, Eiko, Shinkawa, Takeshi, Takaoka, Aki, Yamaguchi, Shunro, Sasaki, Yoh
Format Journal Article
LanguageEnglish
Published 01.01.2003
Subjects
alcohols
alkenes
ambient temperature
apatite
catalysts
catalytic activity
cetylpyridinium chloride
epoxidation reactions
epoxides
green chemistry
solvents
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Summary:We have developed a new catalytic solid phase system for epoxidations using urea–hydrogen peroxide complex (urea–H₂O₂) and cetylpyridinium dodecatungstate ((CetylPy)₁₀ [H₂W₁₂O₄₂]) catalyst on fluorapatite. In the solid phase system epoxidations of cyclic alkenes and allylic alcohols proceeded without solvent at room temperature to afford the corresponding epoxides in good yields. The recovered solid catalyst phase was reusable for the reaction.
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ISSN:1463-9262
1463-9270
1463-9270
DOI:10.1039/B303315E