Ring-Closing Metathesis/Isomerization/Pictet-Spengler Cascade via Ruthenium/Chiral Phosphoric Acid Sequential Catalysis

Ring-Closing Metathesis/Isomerization/Pictet-Spengler Cascade via Ruthenium/Chiral Phosphoric Acid Sequential Catalysis
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DOI:
10.1021/ol302215u
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发表时间:
2012-10-05
期刊:
影响因子:
5.2
通讯作者:
You, Shu-Li
You, Shu-Li
中科院分区:
化学1区
文献类型:
--
作者:
Cai, Quan;Liang, Xiao-Wei;You, Shu-Li

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手性磷酸与Hoveyda-Grubbs II催化剂协同作用,通过顺序催化的合环复分解/异构化/ picet - spengler级联反应,高效合成了对映体富集的四氢- β -羰基化合物(收率高达98%,ee达99%)。
Chiral phosphoric acid worked together with Hoveyda-Grubbs II catalyst enabling highly efficient synthesis of enantioenriched tetrahydro-beta-carbolines (up to 98% yield, 99% ee) through a ring-closing metathesis/isomerization/Pictet-Spengler cascade reaction via sequential catalysis.