New P,N-Ferrocenyl ligands for the asymmetric ir-catalyzed hydrogenation of imines

New P,N-Ferrocenyl ligands for the asymmetric ir-catalyzed hydrogenation of imines
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DOI:
10.1021/ol071168t
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发表时间:
2007-08-02
期刊:
影响因子:
5.2
通讯作者:
Knochel, Paul
Knochel, Paul
中科院分区:
化学1区
文献类型:
--
作者:
Cheemala, Murthy N.;Knochel, Paul

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在温和条件下,在新型P,N-二茂铁基铱配合物存在下,Ir催化不同N-(3,5-二甲基-4-甲氧基)苯胺的对映选择性氢化,以高产率和对映选择性(高达99%)生成(R)-N-(3,5-二甲基-4-甲氧基)苯胺。这些手性芳基胺可以容易地用Ce(NH 4)(2)(NO3)(6)脱保护。
[GRAPHICS]The Ir-catalyzed enantioselective hydrogenation of various N-(3,5-dimethyl-4-methoxy)phenylimines was performed under mild conditions in the presence of new P,N-ferrocenyl iridium complexes leading to (R)-N-(3,5-dimethyl-4-methoxy)phenylamines in high yields and enantioselectivities (up to 99%). These chiral aryl amines can be readily deprotected using Ce(NH4)(2)(NO3)(6).