2011
DOI: 10.1016/j.jorganchem.2010.09.013
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Intramolecular enantioselective hydroamination catalyzed by rare earth binaphthylamides

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Cited by 56 publications
(13 citation statements)
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“…Complex 10 showed the highest catalytic activity even when the reaction time was not optimized. As observed for all the reported catalytic systems, ,,,, the rate increased almost linearly with the increasing metal ion radius (Figure ). The deviation of scandium complex 1 might be attributed to the negative effect of metal size being compensated by the higher Lewis acidity of the metal center.…”
Section: Resultssupporting
confidence: 76%
“…Complex 10 showed the highest catalytic activity even when the reaction time was not optimized. As observed for all the reported catalytic systems, ,,,, the rate increased almost linearly with the increasing metal ion radius (Figure ). The deviation of scandium complex 1 might be attributed to the negative effect of metal size being compensated by the higher Lewis acidity of the metal center.…”
Section: Resultssupporting
confidence: 76%
“…The generation of new stereogenic centers during the C–N bond forming process has been an area of particular interest, but the development of chiral catalysts for the asymmetric hydroamination of alkenes (AHA) has remained quite challenging, , especially for intermolecular reactions. , …”
Section: Introductionmentioning
confidence: 99%
“…70 Some of us have discovered and studied the activity in asymmetric intramolecular hydroamination reaction, of a new family of structurally defined heterobimetallic rare earth lithium ate complexes and corresponding neutral species, based on N-substituted binaphthylamido ligands. 71 In the specific case of yttrium complexes, cooperative effects between Y and Li were highlighted for both alkyl and amido neutral complexes 63 and 64 delivering enhanced enantioselectivities in the presence of LiCl, for cyclohydroamination reactions ( Table 3, entries 24-27). 72 The same ligand family was used for the in situ generation of binaphthylamido alkyl yttrium ate complexes that were interestingly demonstrated to be very active catalysts for the anti-Markovnikov addition between styrenyl or vinylpyridine derivatives and secondary amines.…”
Section: C-n Bond Formationmentioning
confidence: 99%