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Synlett 1996; 1996(9): 799-805
DOI: 10.1055/s-1996-5584
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The Saga of the Design and Synthesis of Dandelion Dendrimers

J-F. Labarre* , F. Crasnier, M-C. Labarre, F. Sournies
  • *Laboratoire Structure & Vie, Institut de Chimie Moléculaire Paul Sabatier (FU 0014 of CNRS), Université Paul Sabatier, 118, Route de Narbonne, 31062 Toulouse Cedex, France, Fax: Int. Code +61 25 17 33; E-mail: labarre@iris.ups-tlse.fr
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Publication Date:
31 December 2000 (online)

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The aminolysis of hexachlorocyclotriphosphazene, N3P3Cl6, by long-chain diamines, H2N-(CH2)n-NH2 (n ≥ 6), leads regio-specifically to hexadangling monomeric species provided the experiment is executed on alumina impregnated with potassium hydroxide. These reactions run instantaneously at room temperature. The resulting hexapodans (termed sexapus as reference to octopus with only six tentacles) constitute spherical cores for the design of spherical (i.e., aesthetically similar to dry dandelion flowers) dendrimers.

cyclophosphazenes - regiospecific aminolysis - dry media processes - dendrimers - dandelion flowers

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