Synthesis of bowl-shaped dendrimers from generation 1 to generation 8

The synthesis of functionalized phosphorus-containing dendrimers is described up to the eighth generation, starting from the hexachlorocyclotriphosphazene core. The dendrimer is built step by step by the repetition of two reactions: the substitution of chlorine atoms by 4-hydroxybenzaldehyde, and th...

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Bibliographic Details
Published in:Journal of organometallic chemistry 1997-02, Vol.529 (1), p.51-58
Main Authors: Launay, Nathalie, Caminade, Anne-Marie, Majoral, Jean Pierre
Format: Article
Language:English
Subjects:
Aldehyde
Cascade molecule
Cyclotriphosphazene
Dendrimer
Group 15
Phosphorhydrazide
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Summary:The synthesis of functionalized phosphorus-containing dendrimers is described up to the eighth generation, starting from the hexachlorocyclotriphosphazene core. The dendrimer is built step by step by the repetition of two reactions: the substitution of chlorine atoms by 4-hydroxybenzaldehyde, and the condensation of aldehyde functions with H 2N N(Me)P(S)Cl 2. The eighth generation of this new class of dendrimers bears up to 1536 aldehyde terminal functions and is one of the largest artificial molecules of defined structure ever described.
ISSN:0022-328X
1872-8561
DOI:10.1016/S0022-328X(96)06293-6