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Open AccessArticle

Chiral Dirhodium(II) Carboxylates: New Insights into the Effect of Ligand Stereo-Purity on Catalyst Structure and Enantioselectivity

1
Chirality Group, Biomedical Science Department, Faculty of Science & Technology, University of Canberra, Canberra, ACT 2601, Australia
2
School of Natural Sciences (Chemistry), University of Tasmania, Hobart, TAS 7001, Australia
*
Author to whom correspondence should be addressed.
Catalysts 2018, 8(7), 268; https://doi.org/10.3390/catal8070268
Received: 7 May 2018 / Revised: 19 June 2018 / Accepted: 27 June 2018 / Published: 30 June 2018
(This article belongs to the Special Issue Asymmetric Catalysis in Organic Synthesis)
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Abstract

The current report contributes to the understanding of the stereoselectivity of chiral dirhodium(II) carboxylate catalysts carrying N-protected tert-leucine ligands. Investigating the possible effect of ligand stereo-purity on catalyst structure and enantioselectivity was carried out. This was justified through a new X-ray crystal structure for Rh2(S,S,S,R-PTTL)4 diastereomer. View Full-Text
Keywords: dirhodium(II) complexes; Rh2(S-PTTL)4; asymmetric catalysis; cyclopropanation; X-ray crystallography; chiral catalysis; metal-carbene; phenyliodonium ylide dirhodium(II) complexes; Rh2(S-PTTL)4; asymmetric catalysis; cyclopropanation; X-ray crystallography; chiral catalysis; metal-carbene; phenyliodonium ylide
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Adly, F.G.; Bollard, H.; Gardiner, M.G.; Ghanem, A. Chiral Dirhodium(II) Carboxylates: New Insights into the Effect of Ligand Stereo-Purity on Catalyst Structure and Enantioselectivity. Catalysts 2018, 8, 268.

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