New polychiralic asymmetrically 1,1´-disubstituted ferrocene ligand with multiple coordination sites
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SIRBU, Dumitru, GORINCIOI, Elena. New polychiralic asymmetrically 1,1´-disubstituted ferrocene ligand with multiple coordination sites. In: The International Conference dedicated to the 55th anniversary from the foundation of the Institute of Chemistry of the Academy of Sciences of Moldova, 28-30 mai 2014, Chișinău. Chișinău, Republica Moldova: Institutul de Chimie al AȘM, 2014, p. 120.
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The International Conference dedicated to the 55th anniversary from the foundation of the Institute of Chemistry of the Academy of Sciences of Moldova 2014
Conferința "The International Conference dedicated to the 55th anniversary from the foundation of the Institute of Chemistry of the Academy of Sciences of Moldova"
Chișinău, Moldova, 28-30 mai 2014

New polychiralic asymmetrically 1,1´-disubstituted ferrocene ligand with multiple coordination sites


Pag. 120-120

Sirbu Dumitru, Gorincioi Elena
 
Institute of Chemistry of the Academy of Sciences of Moldova
 
Proiecte:
 
Disponibil în IBN: 24 ianuarie 2019


Rezumat

Ferrocene derivatives are valuable materials used in industry of pharmaceuticals and agrochemicals [1]. Cross coupling, hydrogenation, allylic substitution, hydroformylation, aldol and many other reactions were described before as being catalysed by mono, di and polysubstituted dicyclopentadienyl iron(II) [2]. Planar chirality, rigid bulkiness and ease of derivatization are the main reason of the extensive use of ferrocene as scaffold for building chiral ferrocene ligands for the asymmetric catalysis [3]. In this context, we describe herein a new 1,1´disubstituted ferrocene ligand containing nitrogen and oxygen donor atoms and four chiral centres on cyclohexane moiety together with planar chirality. The structure of 1´-(3,5-dihydroxy2-picolinoyl-3,5-di(pyridin-2-yl)cyclohexyl) ferrocene carboxylic acid (P3F) was established by using X-ray diffraction on monocrystal and NMR spectroscopy, as well as elemental analysis, IR, Mass and UV-Vis spectroscopies.