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Molecules 2018, 23(4), 896; doi:10.3390/molecules23040896

Synthesis and Application of the Transition Metal Complexes of α-Pyridinyl Alcohols, α-Bipyridinyl Alcohols, α,α’-Pyridinyl Diols and α,α’-Bipyridinyl Diols in Homogeneous Catalysis

1
Research Focus Area for Chemical Resource Beneficiation, Catalysis and Synthesis Research Group, North-West University, Hoffmann Street, 2531 Potchefstroom, South Africa
2
Department of Chemistry, College of Natural and Computational Sciences, Hawassa University, Hawassa 1530, Ethiopia
*
Author to whom correspondence should be addressed.
Received: 28 February 2018 / Revised: 6 April 2018 / Accepted: 6 April 2018 / Published: 12 April 2018
(This article belongs to the Special Issue Organometallic Catalysis in Organic Synthesis)

Abstract

The paper presents a comprehensive survey on the synthetic procedures of transition metal complexes of α-pyridinyl alcoholato, α-bipyridinyl alcoholato, α,α’-pyridinyl dialcoholato and α,α’-bipyridinyl dialcoholato ligands and their coordination chemistry. Greater emphasis is, however, given to the catalytic activity of the complexes in homogeneous and asymmetric chemical reactions. The multidentate character of the pyridinyl alcohols and/or bipyridinyl diols is of great importance in the complexation with a large number and type of transition metals. The transition metal complexes of pyridinyl alcoholato or bipyridinyl dialcoholato ligands in most cases, and a few pyridinyl alcohols alone, were used as catalysts in homogeneous and chemical asymmetric reactions. In most of the homogeneously catalysed enantioselective chemical reactions, limited numbers and types of pyridinyl alcohols and or bipyridinyl diols were used in the preparation of chiral catalysts that led to a few investigations on the catalytic importance of the pyridinyl alcohols. View Full-Text
Keywords: bipyridinyl diol; catalyst; enantioselective; pyridinyl alcohol; synthesis; transition metal complex bipyridinyl diol; catalyst; enantioselective; pyridinyl alcohol; synthesis; transition metal complex
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Tole, T.; Jordaan, J.; Vosloo, H. Synthesis and Application of the Transition Metal Complexes of α-Pyridinyl Alcohols, α-Bipyridinyl Alcohols, α,α’-Pyridinyl Diols and α,α’-Bipyridinyl Diols in Homogeneous Catalysis. Molecules 2018, 23, 896.

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