Heterogeneously catalyzed aerobic oxidative biaryl coupling of 2-naphthols and substituted phenols in water
M Matsushita, K Kamata, K Yamaguchi…
Index: Matsushita, Mitsunori; Kamata, Keigo; Yamaguchi, Kazuya; Mizuno, Noritaka Journal of the American Chemical Society, 2005 , vol. 127, # 18 p. 6632 - 6640
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Citation Number: 95
Abstract
The oxidative coupling reaction can efficiently be promoted by supported ruthenium catalyst Ru (OH) x/Al2O3. A variety of 2-naphthols and substituted phenols can be converted to the corresponding biaryl compounds in moderate to excellent yields using molecular oxygen as a sole oxidant in water without any additives. The catalysis is truly heterogeneous in nature, and Ru (OH) x/Al2O3 can easily be recovered after the reaction. The catalyst can be ...
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