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Selective hydrogenation of nitriles to secondary imines catalyzed by an iron complex, the pincer complex (iPr-PNP)Fe(H)Br(CO), in the presence of catalytic base, is reported. A wide range of (hetero)aromatic and aliphatic nitriles are hydrogenated to the corresponding secondary imines under mild conditions.
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Chakraborty et al. (2017) studied this question.
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