Pd(II)-Catalyzed Intermolecular 1,2-Diamination of Conjugated Dienes
journal contributionposted on 25.05.2005 by Grégory L. J. Bar, Guy C. Lloyd-Jones, Kevin I. Booker-Milburn
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A Pd(II) chloride precatalyst, in the presence of 1 equiv of benzoquinone, effects highly efficient, regioselective 1,2-diamination of 1,3-dienes using dialkyl ureas under mild conditions. There is no requirement for a large excess of diene.