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A winning combination of metal and ligand: The catalyst formed in situ from Sc(OTf)3 and bipyridine 1 (10 mol %) mediates the alcoholysis and aminolysis of meso-epoxides in high enantioselectivities and furnishes valuable chiral 1,2-diol monoethers 2 and 1,2-amino alcohols 3 as products (PMB=para-methoxybenzyl).
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Schneider et al. (2004) studied this question.
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