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Synfacts 2005(3): 0365-0365  
DOI: 10.1055/s-2005-921608
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart · New York

Solid-Phase Synthesis of Terphenyls

Contributor(s): Yasuhiro Uozumi, Tomohiko Beppu
C.-H. Cho, H. Park, M.-A. Park, T.-Y. Ryoo, Y.-S. Lee, K. Park*
Chung-Ang University, and Seoul National University, South Korea
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Publikationsdatum:
22. November 2005 (online)

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Significance

The use of sulfonates as traceless linkers was demonstrated. Resin-bound biphenylsulfonates 3 were prepared from hydroxyethyl­methyl resin 1 in two steps. The reactions of 3 with Grignard reagents were performed in the presence of a nickel catalyst to give unfunctionalized terphenyls in 55-66% yield (from 2, 8 examples).