Enantioselective intramolecular hydroamination catalyzed by lanthanide ate complexes coordinated by N-substituted (R)-1, 1'-binaphthyl-2, 2'-diamido ligands

D Riegert, J Collin, A Meddour, E Schulz…

Index: Riegert, David; Collin, Jacqueline; Meddour, Abdelkrim; Schulz, Emmanuelle; Trifonov, Alexander Journal of Organic Chemistry, 2006 , vol. 71, # 6 p. 2514 - 2517

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Citation Number: 135

Abstract

Ytterbium and lutetium ionic complexes derived from enantiopure substituted (R)- binaphthylamine ligands, of the general formula [Li (THF) n][Ln [(R)-C20H12 (NR) 2] 2], have been investigated for the hydroamination/cyclization of several aminopentenes and an aminohexene. Complexes with isopropyl or cyclohexyl substituents on nitrogen atoms were found to be efficient catalysts under mild conditions for the formation of N-containing ...

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