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Synthesis, Characterization, and Catalytic Activity of Chiral NHC Platinum(II) Pyridine Dihalide Complexes
Organometallics ( IF 2.5 ) Pub Date : 2020-03-04 , DOI: 10.1021/acs.organomet.9b00850
Romain Pertschi 1 , Delphine Hatey 1 , Patrick Pale 1 , Pierre de Frémont 2 , Aurélien Blanc 1
Affiliation  

A series of platinum(II) dihalide pyridine complexes bearing chiral C2-symmetric N-heterocyclic carbene (NHC) ligands [Pt(NHC*)(Py)(Hal)2] was synthesized in a one-pot procedure and characterized by NMR spectroscopy and single crystal X-ray diffraction (SC-XRD). The complexes were tested for the asymmetric cycloisomerization of enynol into bicyclo[3.1.0]hexanone and feature an excellent catalytic activity at room temperature along with a modest enantiomeric induction (up to 39% ee).

中文翻译:

手性NHC吡啶(II)吡啶二卤化物配合物的合成,表征和催化活性

通过一锅法合成了一系列带有手性C 2对称的N-杂环卡宾(NHC)配体[Pt(NHC *)(Py)(Hal)2 ]的铂二卤化铂(II)配合物,并通过NMR进行了表征光谱学和单晶X射线衍射(SC-XRD)。测试了该络合物的烯醇到双环[3.1.0]己酮的不对称环异构化,并在室温下具有出色的催化活性以及适度的对映异构体诱导作用(最高39%ee)。
更新日期:2020-03-04
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