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@article{1229112, author = {Kivosudsky, L. and Schwendt, P. and Gyepes, R. and Žák, Zdirad}, article_location = {OXFORD}, article_number = {October}, doi = {http://dx.doi.org/10.1016/j.poly.2014.06.052}, keywords = {Vanadium complexes; Absolute configuration; Circular dichroism; Schiff bases; Chirality}, language = {eng}, issn = {0277-5387}, journal = {Polyhedron}, title = {X-ray structure analysis, electronic and vibrational circular dichroism of chiral-at-metal dioxidovanadium(V) complexes with amino acids derived Schiff base ligands}, url = {http://ac.els-cdn.com/S0277538714004628/1-s2.0-S0277538714004628-main.pdf?_tid=b442f3b8-c286-11e4-8ce3-00000aacb362&acdnat=1425484633_babee770a070cd3e059e7f6aeafe067d}, volume = {81}, year = {2014} }
TY - JOUR ID - 1229112 AU - Kivosudsky, L. - Schwendt, P. - Gyepes, R. - Žák, Zdirad PY - 2014 TI - X-ray structure analysis, electronic and vibrational circular dichroism of chiral-at-metal dioxidovanadium(V) complexes with amino acids derived Schiff base ligands JF - Polyhedron VL - 81 IS - October SP - 421-427 EP - 421-427 PB - Elsevier SN - 02775387 KW - Vanadium complexes KW - Absolute configuration KW - Circular dichroism KW - Schiff bases KW - Chirality UR - http://ac.els-cdn.com/S0277538714004628/1-s2.0-S0277538714004628-main.pdf?_tid=b442f3b8-c286-11e4-8ce3-00000aacb362&acdnat=1425484633_babee770a070cd3e059e7f6aeafe067d N2 - Five new chiral dioxidovanadium Schiff base complexes derived from L-valine, L-leucine, L-histidine, L-threonine and D-threonine were synthesized and characterized by elemental analysis, H-1 and V-51 NMR and IR spectra. The absolute configurations of the complexes were determined by X-ray single crystal analysis in solid state and by electronic and vibrational circular dichroism in CH3CN solution. The L-threoninato complex, which contains two stereogenic centers in the amino acid site, does not show epimerization of the amino acid, in contrast with the analogical isoleucine-derived complexes reported recently. Conglomerate crystallization was observed in racemic DL-valine- and DL-threonine-derived complexes. (C) 2014 Elsevier Ltd. All rights reserved. ER -
KIVOSUDSKY, L., P. SCHWENDT, R. GYEPES and Zdirad ŽÁK. X-ray structure analysis, electronic and vibrational circular dichroism of chiral-at-metal dioxidovanadium(V) complexes with amino acids derived Schiff base ligands. \textit{Polyhedron}. OXFORD: Elsevier, 2014, vol.~81, October, p.~421-427. ISSN~0277-5387. Available from: https://dx.doi.org/10.1016/j.poly.2014.06.052.
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