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Synthesis and structural investigations of novel palladium(II) and rhodium(I) complexes containing chiral ligands with a stereogenic sulfur donor, such as beta-amino sulfoxides and C-2-symmetric bis-sulfoxides (Articolo in rivista)

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Synthesis and structural investigations of novel palladium(II) and rhodium(I) complexes containing chiral ligands with a stereogenic sulfur donor, such as beta-amino sulfoxides and C-2-symmetric bis-sulfoxides (Articolo in rivista) (literal)

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Alternative label

Pettinari, C and Pellei, M and Cavicchio, G and Crucianelli, M and Panzeri, W and Colapietro, M and Cassetta, A (1999)
Synthesis and structural investigations of novel palladium(II) and rhodium(I) complexes containing chiral ligands with a stereogenic sulfur donor, such as beta-amino sulfoxides and C-2-symmetric bis-sulfoxides
in Organometallics; American Chemical Society, Washington, DC (Stati Uniti d'America)
(literal)

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Pettinari, C and Pellei, M and Cavicchio, G and Crucianelli, M and Panzeri, W and Colapietro, M and Cassetta, A (literal)

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Univ Camerino, Dipartimento Sci Chim, I-62032 Camerino, Macerata, Italy; Univ Aquila, Dipartimento Chim Ingn Chim & Mat, I-67100 Laquila, Italy; CSSON, CNR, Dipartimento Chim Politecn, I-20131 Milan, Italy; Univ Rome La Sapienza, Dipartimento Chim, I-00185 Rome, Italy Consiglio Nazl Ric, Ist Strutturist Chim, I-30412 Trieste, Italy (literal)

Titolo

Synthesis and structural investigations of novel palladium(II) and rhodium(I) complexes containing chiral ligands with a stereogenic sulfur donor, such as beta-amino sulfoxides and C-2-symmetric bis-sulfoxides (literal)

Abstract

Two kinds of new optically active chelating ligands bearing a chiral sulfinyl functionality, namely the 3,4-bis-(p-tolylsulfinyl)hexanes 4 and the N-mono- and N,N-disubstituted beta-p-tolylsulfinyl ethylamines 5 and 2, have been synthesized and their coordination chemistry with Pd(II) and Rh(I) metals has been studied in detail. Complexes formed with ligands 4 featured a homocoordination between the two sulfur donors and the metal atom, in solution as well as in the solid state, as demonstrated by X-ray diffraction of cis-dichloro[3,4-bis-(p-tolylsulfinyl)hexane]palladium(II) ((3R,4R,R-S,R-S)-7), in which the ligand shows a C-2 symmetry. Complexes formed with ligands 2 and 5 showed a heterocoordination of the metal by the sulfur and the nitrogen donors, as confirmed by X-ray diffraction of cis-dichloro[N,N- dimethyl-2-(p-tolylsulfinyl)ethylamine]palladium(II) ((R)-6). All nine complexes 6-11, displaying a monomeric structure, have been synthesized and completely characterized in the solid state (IR, MS-FAB) as well as in solution (H-1 and C-13 NMR, [alpha](25)(D)). (literal)

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