A simple and efficient synthesis of 1,3,5-tris[2-(3,5-diethynylphenyl)ethynyl]benzene from 1,3,5-triethynylbenzene

A simple and efficient synthesis of 1,3,5-tris[2-(3,5-diethynylphenyl)ethynyl]benzene from... A concise and convenient three-step process is reported for preparation of 1,3,5-tris[2-(3,5-diethynylphenyl)ethynyl]benzene from 1,3,5-triethynylbenzene and 2-hydroxypropyl group-protected peripheral monomers via a Sonogashira coupling–deprotection reaction sequence. This approach had several advantages, for example high yields, short reaction time, and simple separation procedure. In the key step a modified Sonogashira reaction was developed, under which conditions the coupling of 1,3,5-triethynylbenzene and substituted iodobenzenes proceeded rapidly, giving the desired products in good to excellent yields. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

A simple and efficient synthesis of 1,3,5-tris[2-(3,5-diethynylphenyl)ethynyl]benzene from 1,3,5-triethynylbenzene

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Publisher
Springer Netherlands
Copyright
Copyright © 2011 by Springer Science+Business Media B.V.
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry; Catalysis
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-011-0356-1
Publisher site
See Article on Publisher Site

Abstract

A concise and convenient three-step process is reported for preparation of 1,3,5-tris[2-(3,5-diethynylphenyl)ethynyl]benzene from 1,3,5-triethynylbenzene and 2-hydroxypropyl group-protected peripheral monomers via a Sonogashira coupling–deprotection reaction sequence. This approach had several advantages, for example high yields, short reaction time, and simple separation procedure. In the key step a modified Sonogashira reaction was developed, under which conditions the coupling of 1,3,5-triethynylbenzene and substituted iodobenzenes proceeded rapidly, giving the desired products in good to excellent yields.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Aug 7, 2011

References

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