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However, addition in the presence of (+)-NME led to the opposite configuration of the new stereocenter (90:10 dr), showing that stereoselectivity is ruled by either the (+) or (-)-NME used. As reported in ref 13a, the influence of the configuration of the silicon-protected lactaldehyde on the stereochemistry of the addition is low when an achiral ligand was used.
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However, addition in the presence of (+)-NME led to the opposite configuration of the new stereocenter (90:10 dr), showing that stereoselectivity is ruled by either the (+) or (-)-NME used. As reported in ref 13a, the influence of the configuration of the silicon-protected lactaldehyde on the stereochemistry of the addition is low when an achiral ligand was used.
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