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Title: Large-bite bisphosphite, 1,3-C(6)H(4){OPOC(10)H(6)(mu-S)C(10)H(6)O}(2): Synthesis, copper(I), and gold(I) complexes
Authors: BALAKRISHNA, MS
KUMAR, P
PUNJI, B
MAGUE, JT
Keywords: allylic substitution-reactions
thioether-phosphinite ligands
pauson-khand reaction
coordination chemistry
palladium(ii) complexes
asymmetric hydrogenation
metal chemistry
p,n ligands
donor
catalysis
Issue Date: 2010
Publisher: ELSEVIER SCIENCE SA
Citation: JOURNAL OF ORGANOMETALLIC CHEMISTRY, 695(7), 981-986
Abstract: Large-bite bisphosphite ligand 1,3-C(6)H(4){OPOC(10)H(6)(mu-S)C(10)H(6)O}(2) (3), is obtained by reacting chlorophosphonite {OC(10)H(6)(mu-S)C(10)H(6)O}PCl (2) with resorcinol in the presence of triethylamine. Treatment of 3 with CuCl in 1:1 molar ratio produces a 1D-coordination polymer [CuCl{(-OC(10)H(6)(mu-S)C(10)H(6)O-) P(-OC(6)H(4)O-)P(-OC(10)H(6)(mu-S)C(10)H(6)O-)}-kappa P,kappa P](infinity) (4) in good yield. Similar reaction of 3 with two equivalents of AuCl(SMe(2)) affords a dinuclear complex, [Au(2)Cl(2){(-OC(10)H(6)(mu-S)C(10)H(6)O-) P(-OC(6)H(4)O-)P(-OC(10)H(6)(mu-S)C(10)H(6)O-)}-kappa P,kappa P] (5). Single crystal X-ray structures of the ligand 3 and the complexes 4 and 5 are reported. The gold complex 5 shows dimeric structure supported by strong Au center dot center dot center dot Au aurophilic interactions. (C) 2009 Elsevier B. V. .
URI: http://dx.doi.org/10.1016/j.jorganchem.2009.11.026
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7384
http://hdl.handle.net/10054/7384
ISSN: 0022-328X
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