Library / Journals / Wiley / Applied Organometallic Chemistry
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TABLE OF CONTENTS
Volume 20 Issue 7 , Pages 425 - 476 (July 2006)
Speciation Analysis and Environment
Thermodynamic and spectroscopic study of the binding of dimethyltin(IV) by citrate at 25 °C (p 425-435)
Paola Cardiano, Ottavia Giuffrè, Lorenzo Pellerito, Alberto Pettignano, Silvio Sammartano, Michelangelo Scopelliti
Published Online: Jun 26 2006 8:35AM
DOI: 10.1002/aoc.1076
The interaction between dimethyltin(IV) cation and citrate was studied by potentiometric and calorimetric measurements. Overall thermodynamic parameters obtained show that the main contribution to stability is entropic in nature. Two empirical relationships were derived from thermodynamic formation parameters. Spectroscopic (NMR and Mössbauer) results fully confirm the speciation model defined potentiometrically. | |
Materials, Nanoscience and Catalysis
Novel nickel (II) complexes chelating 
-diketiminate ligands: synthesis and simultaneous polymerization and oligomerization of ethylene (p 436-442)
Yongfei Li, Lingyun Wang, Haiyang Gao, Fangming Zhu, Qing Wu
Published Online: Jun 14 2006 4:07AM
DOI: 10.1002/aoc.1097
Novel nickel (II) complexes bearing | |
-diketiminate ligands were synthesized and studied for ethylene reaction. The complexes exhibit characteristics of simultaneous polymerization and oligomerization of ethylene when activated by MAO. It was found the reaction temperature has a pronounced effect on ethylene reaction. Main Group Metal Compounds
A novel 4-methylene-3-borahomoadamantane: 1,1-organoboration of an alkyn-1-ylsilane using 1-boraadamantane (p 443-447)
Bernd Wrackmeyer, Oleg L. Tok, Wolfgang Milius
Published Online: Jun 2 2006 4:15AM
DOI: 10.1002/aoc.1086
The transformation of complex silylated polyynes into organometallic-substituted alkenes by 1,1-organoboration, using 1-boraadamantane, is shown for the example of 1,1-Dibromo-2,2-bis(trimethylsilylethynyl)ethene. A triene is formed stereoselectively which was characterised by one- and two-dimensional 1H, 11B, 13C and 29Si NMR spectroscopy in solution and X-ray structural analysis in the solid state. | |
Synthesis, characterization and biological activity of diorganotin dithioate derivatives (p 448-453)
Ji-Ting Lu, Shan-Shan Chen, Miao Du, Liang-Fu Tang
Published Online: Jun 15 2006 6:57AM
DOI: 10.1002/aoc.1087
Reaction of dithioacid (ArCS2CH2CO2H, Ar = phenyl, 2-furyl or 2-thienyl) with nBu2SnO gives monomeric (ArCS2CH2CO2)2Sn(Bun)2 in a 2:1 molar ratio, and dimeric {[(ArCS2CH2CO2)Sn(Bun)2]2O}2 in a 1:1 molar ratio, respectively. | |
Synthesis, structure and cytotoxic activity of 2-acetyl-5-trimethylsilylthiophene(furan) and their oximes (p 454-458)
Edmunds Lukevics, Luba Ignatovich, Ilze Sleiksha, Velta Muravenko, Irina Shestakova, Sergey Belyakov, Jury Popelis
Published Online: Jun 14 2006 4:07AM
DOI: 10.1002/aoc.1092
5-Trimethylsilylderivatives of 2-acetyl-thio-phene and -furan have been regioselectively prepared using a one-pot procedure from the corresponding 2-acetylfuran or 2-acetylthiophene using lithium N-methyl-piperazide-butyllithium-trimethylchloro-silane/-water as the sequence of reagents. Theetones obtained were converted to the corresponding oximes. The structure of 2-acetyl-5-trimethylsilylthiophene oxime (E-isomer) has been studied by X-ray. Formation of centro-symmetric dimers by means of H-bonds has been observed. The intermolecular hydrogen bond O9 | |
H·N8 is 2.842(5) Å. 
-Amino boronates as cyanoborane complexes: crystal structure and inhibition properties for the serine proteases: -chymotrypsin and trypsin (p 459-462)
Amal Shibli, Reem Smoum, Israel Goldberg, Abraham Rubinstein, Morris Srebnik
Published Online: Jun 14 2006 4:07AM
DOI: 10.1002/aoc.1095
A series of | |
-aminoboronates stabilized by cyanoborane complexation were tested as trypsin and chymotrypsin inhibitors. The structure for compound 1 was determined. Synthesis, characterization and in vitro cytotoxic effects of new organotin(IV)-2-maleimidopropanoates (p 463-470)
M. I.han, Musaaleem Baloch, Muhammad Ashfaq, Obaidullah
Published Online: Jun 19 2006 10:31AM
DOI: 10.1002/aoc.1083
Synthesis and spectral analysis (solid FT IR, 119mSn Mössbauer; solution 1H, 13C and 119Sn NMR) of five new diorganotin(IV) complexes of 2-maleimidopropanoic acid is reported; the spectral data proved the hexa-coordination of Sn(IV) in octahedral arrangement. During the in vitro cytotoxicity assays against seven human tumoural cell lines, five leishmanial strains and nine human pathogenic fungi, the title complexes displayed significant activities. The covalent attachments of organotin(IV) moieties (R) and the ligand played an important role in determining cytotoxic behaviours. | |
Book Reviews
Edited by Paulnochel. Handbook of functionalized organometallics: applications in synthesis. Wiley VCK. 2005, 2 volumes, 690 pp; ISBN 3-527-31131-9 (hardcover) (p 471)
Mike Coogan
Published Online: Jun 26 2006 8:35AM
DOI: 10.1002/aoc.1077
Edited by N. Auner and J. Weis. Organosilicon chemistry VI: from molecules to materials. Wiley-VCH, 2005, 2 volumes, 1038 pp; ISBN 3-527-31214-5 (hardcover) (p 472)
Patrick Steel
Published Online: Jun 26 2006 8:35AM
DOI: 10.1002/aoc.1078
Edited by Masakatsu Shibasaki, Yoshinori Yamamoto. Multimetallic catalysts in organic synthesis. Wiley-VCH, 2004, 310 pp; ISBN 3-527-30828-8 (hardcover) (p 473-474)
Mike Coogan
Published Online: Jun 26 2006 8:35AM
DOI: 10.1002/aoc.1088
Gerard Jaouen (ed.). Bioorganometallics: biomolecules, labeling, medicine. Wiley, 2005, 480 pp; ISBN 3-527-30990-X (hardcover) (p 475)
Andrew Marr
Published Online: Jun 26 2006 8:35AM
DOI: 10.1002/aoc.1090
Carsten Schmuck and Helma Wennemers (eds). Highlights in bioorganic chemistry: methods and applications. Wiley-VCH; 2004, 600 pp; ISBN 3-527-30656-0 (paperback) (p 476)
Stuart J. Conway
Published Online: Jun 26 2006 8:35AM
DOI: 10.1002/aoc.1093