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  • Convenient method for the rapid generation of highly active and enantioselective yttrium catalysts for asymmetric hydroamination.

Convenient method for the rapid generation of highly active and enantioselective yttrium catalysts for asymmetric hydroamination.

Chemical communications (Cambridge, England) (2008-07-26)
Jérôme Hannedouche, Isabelle Aillaud, Jacqueline Collin, Emmanuelle Schulz, Alexander Trifonov
摘要

A facile method for the preparation of highly active and enantioselective yttrium precatalysts for asymmetric hydroamination of gem-disubstituted aminoalkenes, from the combination of YCl(3) or YCl(3)(THF)(3.5) with ligand (R)- and n-BuLi is described.

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Sigma-Aldrich
氯化钇 (III), anhydrous, powder, 99.99% trace metals basis
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氯化钇 (III) 六水合物, 99.99% trace metals basis
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氯化钇 (III) 六水合物, 99.9% trace metals basis
Sigma-Aldrich
氯化钇 (III), AnhydroBeads, −10 mesh, 99.99% trace metals basis
Sigma-Aldrich
氯化钇 (III) 六水合物, 99.999% trace metals basis