2024-03-29T10:38:34Zhttps://repositori.uji.es/oai/requestoai:repositori.uji.es:10234/1142992024-02-12T17:11:55Zcom_10234_7013com_10234_9col_10234_8638
Repositori UJI
author
Sokolov, Maxim
author
Adonin, Sergey A.
author
Virovets, Alexander V.
author
Abramov, Pavel A.
author
Vicent Barrera, Cristian
author
Llusar, Rosa
author
Fedin, Vladimir P.
2015-02-11T10:53:33Z
2015-02-11T10:53:33Z
2013-01
0020-1693
http://hdl.handle.net/10234/114299
http://dx.doi.org/10.1016/j.ica.2012.08.023
New complexes of triangular clusters M3S4
4+ (M = Mo, W) with incomplete cuboidal metal–chalcogenide
framework bearing chiral a-hydroxy and amino acids have been prepared. L-lactic acid (H2lac), L-mandelic
acid (H2man), and L-alanine (Hala) react with [W3S4Br4(PPh3)3] in 1:1 ratio to yield, respectively,
monosubstituted complexes [W3S4(PPh3)3Br3(Hlac)(CH3CN)] (1), [W3S4(PPh3)3Br3(Hman)(CH3CN)] (2),
and [W3S4(PPh3)3Br3(Hala)(CH3CN)]Br (3). In the presence of base [Mo3S4Cl4(PPh3)3] gives trisubstituted
complexes [Mo3S4(PPh3)3(Hlac)2(lac)] (4) and [Mo3S4(PPh3)3(Hman)3]Cl (5). Circular dichroism studies of
4 indicate chirality transfer from the ligand to the Mo3S4
4+ cluster core. These complexes incorporate Cu+
with the formation of corresponding {M3CuS4}5+ cuboidal derivatives. NMR and ESI-MS studies of solution
behavior are presented.
eng
Copyright 2012 Published by Elsevier B.V.
Sulfide clusters
Chiral complexes
Lactic acid
Mandelic acid
Alanine
Crystal structures
Complexes of M3S44+ (M = Mo, W) with chiral alpha-hydroxy and aminoacids: Synthesis, structure and solution studies
info:eu-repo/semantics/article
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