Abstract
Abstract Ring opening of aziridine with dialkyl amine took place readily in the presence of catalytic amounts of tri- n -butylphosphane (10 mol%) in the mixture of CH 3 CN/H 2 O (10:1), giving corresponding vicinal diamines in mediate to high yields (58–95%) with good regioselectivitie, while aromatic secondary amine could not react under the same conditions. Tri- n -butylphosphane exhibited different catalytic selectivity to amines from Lewis acid catalysts.
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