Steric promotion of aromatic C-H bond activation in primary benzylaminesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:ortho-Palladation of a sterically crowded primary benzylamine, alpha-phenylneopentylamine, was accomplished in a moderate yield of 50% in the reaction with the weakest of palladation agents (Li2PdCl4) under very mild conditions, due to a steric promotion of an aromatic C-H bond activation. The structure of dimer 1a thus formed and the palladacycle conformation were established on the basis of H-1-NMR spectroscopy of its mononuclear derivatives with [D-5]pyridine (3a) and triphenylphosphane (4a), and an X-ray investigation of the latter.