3, 3'-bis (trisarylsilyl)-substituted binaphtholate rare earth metal catalysts for asymmetric hydroamination

DV Gribkov, KC Hultzsch, F Hampel

Index: Gribkov, Denis V.; Hultzsch, Kai C.; Hampel, Frank Journal of the American Chemical Society, 2006 , vol. 128, # 11 p. 3748 - 3759

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Citation Number: 278

Abstract

Chiral 3, 3'-bis (trisarylsilyl)-substituted binaphtholate rare earth metal complexes (R)-[Ln {Binol-SiAr3}(o-C6H4CH2NMe2)(Me2NCH2Ph)](Ln= Sc, Lu, Y; Binol-SiAr3= 3, 3'-bis (trisarylsilyl)-2, 2'-dihydroxy-1, 1'-binaphthyl; Ar= Ph (2-Ln), 3, 5-xylyl (3-Ln)) and (R)-[La {Binol-Si (3, 5-xylyl) 3}{E (SiMe3) 2}(THF) 2](E= CH (4a), N (4b)) are accessible via facile arene, alkane, and amine elimination. They are efficient catalysts for the asymmetric ...