Highly Efficient C-C Bond-Forming Reactions in Aqueous Media Catalyzed by Monomeric Vanadate Species in an Apatite Framework

Takayoshi Hara, Satoko Kanai, Kohsuke Mori, Tomoo Mizugaki, Kohki Ebitani, Koichiro Jitsukawa and Kiyotomi Kaneda*

*Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan, Email: kanedacheng.es.osaka-u.ac.jp

T. Hara, S. Kanai, K. Mori, T. Mizugaki, K. Ebitani, K. Jitsukawa, K. Kaneda, J. Org. Chem., 2006, 71, 7455-7462.

DOI: 10.1021/jo0614745

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Abstract

A calcium vanadate apatite (VAp) acts as a high-performance heterogeneous base catalyst for various carbon-carbon bond-forming reactions such as Michael and aldol reactions in aqueous media. No vanadium leaching was detected and the catalyst was readily recycled with no loss of activity.

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Reconstructed Hydrotalcite as a Highly Active Heterogeneous Base Catalyst for Carbon-Carbon Bond Formations in the Presence of Water

K. Ebitani, K. Motokura, K. Mori, T. Mizugaki, K. Kaneda, J. Org. Chem., 2006, 71, 5440-5447.

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Key Words

Nitro Compounds, Michael Addition, Green Chemistry

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ID: J42-Y2006-2900