Well-Defined Chiral Gold(III) Complex Catalyzed Direct Enantioconvergent Kinetic Resolution of 1,5-Enynes.

Well-Defined Chiral Gold(III) Complex Catalyzed Direct Enantioconvergent Kinetic Resolution of 1,5-Enynes.
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DOI:
10.1021/jacs.7b06025
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发表时间:
2017-08-16
影响因子:
15
通讯作者:
Toste FD
Toste FD
中科院分区:
化学1区
文献类型:
--
作者:
Bohan PT;Toste FD

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本文报道了金催化的1,5-烯炔直接对映会聚环化异构化和动力学拆分反应。该转化在所有转化水平下产生高度对映体富集的双环[3.1.0]-己烯,在反应过程中不发生外消旋化或对称化,并且同时提供光学富集的1,5-烯炔。这份报告标志着第一个高度对映选择性转化催化的一个定义明确的阳离子金-(III)催化剂,并证明了独特的潜力,金(III)配合物在对映选择性催化。
The development of a gold(III) catalyzed direct enantioconvergent 1,5-enyne cycloisomerization and kinetic resolution reaction is described. The transformation results in highly enantioenriched bicyclo[3.1.0]-hexenes at all levels of conversion, with no racemization or symmetrization taking place during the course of the reaction, and simultaneously affords optically enriched 1,5-enynes. This report marks the first highly enantioselective transformation catalyzed by a well-defined cationic gold-(III) catalyst and demonstrates the unique potential of gold(III) complexes in enantioselective catalysis.
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