Fei-Phos ligand-controlled asymmetric palladium-catalyzed allylic substitutions with structurally diverse nucleophiles: scope and limitations

Fei-Phos ligand-controlled asymmetric palladium-catalyzed allylic substitutions with structurally diverse nucleophiles: scope and limitations
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Fei-Phos配体控制的不对称钯催化烯丙基取代与结构多样的亲核试剂:范围和局限性

DOI:
10.1039/c6ra09657c
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发表时间:
2016-05
期刊:
影响因子:
3.9
通讯作者:
Xu, Li-Wen
Xu, Li-Wen
中科院分区:
化学3区
文献类型:
--
作者:
Zhang, Jin;Xu, Zheng;Zheng, Zhan-Jiang;Xu, Li-Wen

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为了揭示手性反式-1,2-二氨基环己烷衍生的Fei-Phos作为有效膦配体存在下钯催化烯丙基烷基化反应的范围和局限性,本研究考察了不同结构的硬/软亲核试剂的不对称钯催化烷基化反应,包括醇的烯丙基醚化反应和活性亚甲基化合物、吲哚和芳香胺的烯丙基烷基化反应;以良好的产率和高的对映选择性(高达99%ee)获得了具有各种官能团的相应产物。
To shed light on the scope and limitations of palladium-catalyzed allylic alkylation in the presence of chiral trans-1,2-diaminocyclohexane-derived Fei-Phos as an effective phosphine ligand, the asymmetric palladium-catalysed alkylation of structurally diverse hard/soft nucleophiles, including allylic etherification of alcohols and the allylic alkylation of activated methylene compounds, indoles, and aromatic amines were investigated in this study; the corresponding products with various functional groups were achieved in good yield and with high enantioselectivity (up to 99% ee).
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