%0 Journal Article %1 ISI:000255320200003 %A Sabounchei, Seyyed Javad %A Nemattalab, Hassan %A Salehzadeh, Sadegh %A Bayat, Mehdi %A Khavasi, Hamid Reza %A Adams, Harry %C PO BOX 564, 1001 LAUSANNE, SWITZERLAND %D 2008 %I ELSEVIER SCIENCE SA %J JOURNAL OF ORGANOMETALLIC CHEMISTRY %K DMSO; halide; phosphorus triparatolylphosphine} triphenylphosphine; ylide; {mercury(II) %N 11 %P 1975-1985 %R 10.1016/j.jorganchem.2008.02.025 %T New mono and binuclear mercury(II) complexes of phosphorus ylides containing DMSO as ligand: Spectral and structural characterization %V 693 %X Reaction of phosphorus ylides Ph(3)PCHC(O)C(6)H(4)NO(2)(Y') and (p-tolyl)(3)PCHC(O)C(6)H(4)Cl (Y `') with HgX(2) (X = Cl, Br and I) in equimolar ratios using methanol as solvent leads to binuclear products. The bridge-splitting reaction of binuclear complex (Y `') center dot HgI(2)(2) by DMSO yields the mononuclear complex (Y `') center dot HgI(2) center dot DMSO. This bridge-splitting reaction can be also a method for the synthesis of mononuclear products. C-coordination of ylides and O-coordination of DMSO are demonstrated by single crystal X-ray analyses of binuclear complexes of (Y') center dot HgI(2)(2) and (Y `') center dot HgI(2)(2) and mononuclear complex of (Y `') center dot HgI(2) center dot DMSO. Characterization of the obtained compounds was also performed by elemental analysis, IR, (1)H, (31)P, and (13)C NMR. Theoretical studies on Hg(II) complexes of Y' show that the cis-like isomers are about 4-12 kcal/mol less stable than the trans-like structures and the relative energy of cis- and trans-like isomers significantly depends on the size of the bridging halide. These studies on mercury complexes of Y `' show that, formation of mononuclear complexes in DMSO solution in which DMSO acts as a ligand, energetically is more favorable than that of binuclear complexes. (C) 2008 Elsevier B.V. All rights reserved.

@article{ISI:000255320200003, abstract = {{Reaction of phosphorus ylides Ph(3)PCHC(O)C(6)H(4)NO(2)(Y') and (p-tolyl)(3)PCHC(O)C(6)H(4)Cl (Y `') with HgX(2) (X = Cl, Br and I) in equimolar ratios using methanol as solvent leads to binuclear products. The bridge-splitting reaction of binuclear complex {[}(Y `') center dot HgI(2)](2) by DMSO yields the mononuclear complex {[}(Y `') center dot HgI(2) center dot DMSO]. This bridge-splitting reaction can be also a method for the synthesis of mononuclear products. C-coordination of ylides and O-coordination of DMSO are demonstrated by single crystal X-ray analyses of binuclear complexes of {[}(Y') center dot HgI(2)](2) and {[}(Y `') center dot HgI(2)](2) and mononuclear complex of {[}(Y `') center dot HgI(2) center dot DMSO]. Characterization of the obtained compounds was also performed by elemental analysis, IR, (1)H, (31)P, and (13)C NMR. Theoretical studies on Hg(II) complexes of Y' show that the cis-like isomers are about 4-12 kcal/mol less stable than the trans-like structures and the relative energy of cis- and trans-like isomers significantly depends on the size of the bridging halide. These studies on mercury complexes of Y `' show that, formation of mononuclear complexes in DMSO solution in which DMSO acts as a ligand, energetically is more favorable than that of binuclear complexes. (C) 2008 Elsevier B.V. All rights reserved.}}, added-at = {2017-05-10T15:29:29.000+0200}, address = {{PO BOX 564, 1001 LAUSANNE, SWITZERLAND}}, affiliation = {{Sabounchei, SJ (Reprint Author), Bu Ali Sina Univ, Fac Chem, Hamadan 65174, Iran. Sabounchei, Seyyed Javad; Nemattalab, Hassan; Salehzadeh, Sadegh; Bayat, Mehdi, Bu Ali Sina Univ, Fac Chem, Hamadan 65174, Iran. Khavasi, Hamid Reza, Shaheed Beheshti Univ, Dept Chem, Tehran 1983963113, Iran. Adams, Harry, Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England.}}, author = {Sabounchei, Seyyed Javad and Nemattalab, Hassan and Salehzadeh, Sadegh and Bayat, Mehdi and Khavasi, Hamid Reza and Adams, Harry}, author-email = {{jsabounchei@yahoo.co.uk}}, biburl = {https://www.bibsonomy.org/bibtex/2e68828b80081ee6abc32c4285278a928/hkhavasi}, cited-references = {{ALBANESE JA, 1988, INORG CHIM ACTA, V150, P213, DOI 10.1016/S0020-1693(00)90601-7. ALBANESE JA, 1990, INORG CHEM, V29, P2209, DOI 10.1021/ic00337a007. ALESSIO E, 1995, INORG CHEM, V34, P4722, DOI 10.1021/ic00123a004. ALESSIO E, 1988, INORG CHEM, V27, P4099, DOI 10.1021/ic00296a006. Belluco U, 1996, INORG CHIM ACTA, V252, P355, DOI 10.1016/S0020-1693(96)05358-3. BESTMANN HJ, 1962, CHEM BER-RECL, V95, P1513, DOI 10.1002/cber.19620950631. Bokach NA, 2003, INORG CHEM, V42, P3602, DOI 10.1021/ic034086j. Calligaris M, 1996, COORDIN CHEM REV, V153, P83, DOI 10.1016/0010-8545(95)01193-5. 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Chem.}}, keywords = {DMSO; halide; phosphorus triparatolylphosphine} triphenylphosphine; ylide; {mercury(II)}, keywords-plus = {{UNPRECEDENTED O-COORDINATION; CARBONYL-STABILIZED YLIDES; X-RAY-STRUCTURE; MOLECULAR-STRUCTURE; HALIDE-COMPLEXES; CRYSTAL-STRUCTURE; SILVER(I) COMPLEXES; PALLADIUM(II); BENZOYLMETHYLENETRIPHENYLPHOSPHORANE; PLATINUM(II)}}, language = {{English}}, month = {{MAY 15}}, number = {{11}}, number-of-cited-references = {{54}}, pages = {{1975-1985}}, publisher = {{ELSEVIER SCIENCE SA}}, research-areas = {{Chemistry}}, times-cited = {{31}}, timestamp = {2017-05-10T15:29:29.000+0200}, title = {{New mono and binuclear mercury(II) complexes of phosphorus ylides containing DMSO as ligand: Spectral and structural characterization}}, type = {{Article}}, unique-id = {{ISI:000255320200003}}, usage-count-last-180-days = {{0}}, usage-count-since-2013 = {{2}}, volume = {{693}}, web-of-science-categories = {{Chemistry, Inorganic \& Nuclear; Chemistry, Organic}}, year = {{2008}} }