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The direct route: A Rhodium-catalyzed asymmetric hydrogenation method for the efficient synthesis of a broad range of chiral allylic amines and aliphatic amines from readily available materials was developed. A chiral Z-allylic amine was obtained for the first time through a Rhodium–DuanPhos-catalyzed asymmetric hydrogenation. TMS=Trimethylsilyl, cod=cyclooctadiene, TON=turnover number.
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Liu et al. (2013) studied this question.
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