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Synthesis of 3-methyl-3-buten-1-ol by supercritical CO2 in coordination with HZSM-5-catalyzed formaldehyde-isobutene Prins reaction.
Yuan, Hang; Cao, Gui-Ping; Lv, Hui.
Afiliación
  • Yuan H; Department of Chemical Engineering and Technology, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P.R. China.
  • Cao GP; Department of Chemical Engineering and Technology, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P.R. China.
  • Lv H; Department of Chemical Engineering and Technology, School of Chemical Engineering, East China University of Science and Technology, Shanghai, P.R. China.
Turk J Chem ; 48(4): 597-619, 2024.
Article en En | MEDLINE | ID: mdl-39296791
ABSTRACT
The reaction solvent and catalyst play essential roles in the Prins reaction for the synthesis of 3-methyl-3-buten-1-ol (MBO) from formaldehyde and isobutene. The reactivity of the solid base-catalyzed Prins condensation reaction by formaldehyde and isobutene in supercritical CO2 was investigated using CsH2PO4-modified HZSM-5. We found that the alkaline sites of the alkali-loaded catalyst could extract the α-H on isobutene to generate olefin carbon-negative ions, while the supercritical CO2 with weak Lewis acidity could activate formaldehyde to carbon-positive ions, which can combine more easily with carbon-negative isobutene to react, thus improving the reactivity of the reaction system.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Turk J Chem Año: 2024 Tipo del documento: Article Pais de publicación: Turquía

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Turk J Chem Año: 2024 Tipo del documento: Article Pais de publicación: Turquía