Nano Science and Technology Institute
Nanotech 2012 Vol. 1
Nanotech 2012 Vol. 1
Nanotechnology 2012: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)
Chapter 5: Nanomaterials for Catalysis

Novel Catalysis of Dendrimer: Efficient Nanocavity of Polyamine Dendrimer for Intramolecular Michael Reaction

Authors:Z. Maeno, T. Mitsudome, T. Mizugaki, K. Jitsukawa, K. Kaneda
Affilation:Osaka University, JP
Pages:514 - 517
Keywords:dendrimer, organocatalyst, Michael reaction
Abstract:The intramolecular Michael reaction of (E)-9-nitro-3-nonen-2-one was investigated using poly(propylene imine) dendrimers with alkyl chain on the periphery (Gx-C16, x = 3-5, x denotes the number of the generation). Gx-C16 showed higher catalytic activity than low-molecular-weight tertiary amines. The catalytic activity of Gx-C16 increased with increasing the generation of the dendrimer. The sterically confined nanocavity of G5-C16 played a key role to achieve high catalytic efficiency.
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