Articolul precedent |
Articolul urmator |
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SM ISO690:2012 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 | |||||||
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Pag. 120-120 | |||||||
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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. |
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