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A synthesis of 2- and 4(5)-(2-pyridinyl)imidazoles by palladium-catalysed cross-coupling reactions

✍ Scribed by A.S. Bell; D.A. Roberts; K.S. Ruddock

Publisher: Elsevier Science
Year: 1988
Tongue: French
Weight: 198 KB
Volume: 29
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)80667-x

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✦ Synopsis

Absfrucf N-Substltuted lmldazolylzlnc chlorides were reacted wlth 2bromopyrldlne In the presence of Pd(PPh3)4 and a two-fold excess of ZnCl2 to afford cross-coupled products In 58-93% ylelds. Deprotection provlded convenient routes to 2-or 4(5)-(2-pyrtdlnyl)lmldazoles.

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