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Efficient Multigram Synthesis of the Repeating Unit of Gallic Acid-Triethylene Glycol Dendrimers

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Department of Organic Chemistry and Center for Research in Biological Chemistry and Molecular Materials (CIQUS), University of Santiago de Compostela, Jenaro de la Fuente s/n, 15782 Santiago de Compostela, Spain
Cite this: Org. Lett. 2011, 13, 17, 4522–4525
Publication Date (Web):August 5, 2011
Copyright © 2011 American Chemical Society

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    Abstract Image

    A multigram synthesis of the repeating unit of GATG (gallic acid-triethylene glycol) dendrimers is described through an efficient and cost-effective route. These conditions overcome major problems precluding scaling up and afford product in excellent overall yield and purity. Special attention has been paid in this process to green chemistry principles: atom economy, safety, and waste reduction. This scheme could be easily adapted for the preparation of similar dendritic systems.

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    Materials and methods, WARNING notice on azides, experimental procedures, characterization, and spectra of 1, 3, 4, and 7. This material is available free of charge via the Internet at

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