o-Bromophenylzinc compound: a readily available and efficient synthetic equivalent of o-phenylene 1-anion 2-cation
M Okano, M Amano, K Takagi
Index: Okano, Masateru; Amano, Masayuki; Takagi, Kentaro Tetrahedron Letters, 1998 , vol. 39, # 19 p. 3001 - 3004
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Citation Number: 26
Abstract
An o-bromophenylzinc compound, first prepared in an excellent yield by the reaction of o- bromoiodobenzene with zinc powder in THF, was found to be an efficient synthetic equivalent of o-phenylene 1-anion 2-cation in Pd (0)-catalyzed stepwise cross-coupling reactions, affording unsymmetrically 1, 2-disubstituted benzenes with diverse substitution patterns and with a variety of functional groups.
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