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

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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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Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2012: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)
Published: June 18, 2012
Pages: 514 - 517
Industry sectors: Advanced Materials & Manufacturing | Energy & Sustainability
Topic: Catalysis
ISBN: 978-1-4665-6274-5