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Synthesis of Carbon Dendron Nano-chains with π-Extended Conjugation Based on Linear 1,4-Phenylethynyl and 1,5-Naphthylethynyl Subunits by J.Gonzalo Rodrı́guez; J.Luis Tejedor; Jorge Esquivias; Cristina Dı́az is a Chemistry article available to read on EtoBox.

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A convenient and efficient synthesis of 3,5-di(trimethylsilylethynyl)phenylacetylene and p- [3,5-di(trimethylsilylethynyl)-1-phenylethynyl]phenylacetylene and the naphthylethynyl homologues terminal acetylenes of 5-(N,N-dimethylamino)naphthylethyne have been carried out. These terminal acetylene compounds serve to prepare nanometer-sized conjugated 1,3,5-tri(ethynylphenyl)benzene and 1,3,5-tri(ethynylnaphthyl)benzene oligomers, by means of heterocoupling with 1,3,5-triiodobenzene, catalysed by palladium, in excellent yields. Both the ethynylphenyl or ethynylnaphthyl homologues chains show fluorescence emission radiation, with important quantum yield.

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Author

J.Gonzalo Rodrı́guez; J.Luis Tejedor; Jorge Esquivias; Cristina Dı́az

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0040-4039)

Published

2003

Language

EN

Field

Chemistry (Physical Sciences)