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Syntheses of Hexakis(4-functionalized-phenyl)benzenes and Hexakis[4-(4‘-functionalized- phenylethynyl)phenyl]benzenes Directed to Host Molecules for Guest-Inclusion Networks

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posted on 2005-01-21, 00:00 authored by Kenji Kobayashi, Norifumi Kobayashi, Masahiro Ikuta, Bruno Therrien, Shigeru Sakamoto, Kentaro Yamaguchi
The syntheses of various types of hexakis(4-functionalized-phenyl)benzenes 1 and hexakis[4-(4‘-functionalized-phenylethynyl)phenyl]benzenes 2 by the cobalt-catalyzed cyclotrimerization of diarylacetylenes and by the Sonogashira coupling reaction of 1e with arylacetylenes, respectively, are described. X-ray crystallographic analysis showed that host 1e or 2f forms a 2-D network by unique I···I or CH···OC interactions, respectively.

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