Subcritical Water Assisted Clean Cross-Aldol Reactions

Pengyu Wang; Kazuya Kobiro

doi:10.1252/jcej.10we308

Chemical Reaction Engineering

Subcritical Water Assisted Clean Cross-Aldol Reactions

Pengyu Wang, Kazuya Kobiro

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Keywords: Subcritical Water, Clean Cross-Aldol Reaction, Benzaldehyde/Acetone, Acetophenone/1,3,5-Trioxane, ZnCl₂

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2011 Volume 44 Issue 8 Pages 577-582

DOI https://doi.org/10.1252/jcej.10we308

View "Advance Publication" version (February 15, 2011).

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Abstract

This study investigates the use of subcritical water in cross-aldol reactions containing both organic materials, benzaldehyde/acetone and acetophenone/1,3,5-trioxane, and an inorganic material, ZnCl₂. The results are compared to those obtained under solvent-free conditions. It is found that water suppresses the loss of organic materials and accelerates the formation of cross-aldol reaction products. Satisfactory yields (46–63%) were obtained with ZnCl₂.

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