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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 12
BKCSDE 31(12)
December 20, 2010

Title	Synthesis of Terphenyls and Quaterphenyls via the Nickel N-Heterocyclic Carbene-Catalyzed Cross-Coupling of Neopentyl Arenesulfonates with Aryl Grignard Reagents
Author	Hyunjong Jo, Chul Bae Kim, Tae Yong Ryoo, Bo Kyoung Ahn, Kwangyong Park*
Keywords	Terphenyl, Quaterphenyl, N-Heterocyclic carbene, Cross-coupling, Arenesulfonate
Abstract	Various terphenyl and quaterphenyl derivatives were prepared by the Ni-NHC catalyzed cross coupling of the corresponding biphenyl- and terphenyl-sulfonates with arylmagnesium bromides. The reactions proceeded rapidly via a nucleophilic aromatic substitution of the alkoxysulfonyl moieties by the aryl nucleophiles to afford high yields within just 1.5 h at room temperature in spite of the low reactivity of the sulfur electrophiles.
Page	3749 - 3754
Full Text	PDF

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