Journal
CHEMSUSCHEM
Volume 7, Issue 2, Pages 391-396Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201301001
Keywords
biphasic catalysis; diffusion; kinetics; phase transfer catalysis; synthetic methods
Funding
- Natural Science Foundation of China [20903064, 21173137]
- Program for New Century Excellent Talents in University [NECT-12-1030]
- Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi [2011002]
- Middle-aged Innovative Talents of Higher Learning Institutions of Shanxi [20120202]
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A general strategy that avoids stirring for organic/aqueous reactions involving solid catalysts is reported. The strategy involves converting a conventional biphasic system into a Pickering emulsion phase with micrometer-scale droplets ensuring good mixing. In test reactions, nitrotoluene reduction and epoxidation of allylic alcohols, the reaction efficiency is comparable to conventional stirrer-driven biphasic catalysis reaction systems. Short diffusion distances, arising from the compartmentalization of densely packed droplets, play an important role in boosting the reaction efficiency.
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