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TABLE OF CONTENTS
Volume 19 Issue 10 , Pages 1073 - 1140 (October 2005)
Bioorganometallic Chemistry
Di- and tri-phenyltin chlorides transfer across a model lipid bilayer (p 1073-1078)
Agnieszka Ol
y
ska, Magda Przyby
o, Janina Gabrielska, Zenon Trela, Stanisaw Przestalski, Marek Langner
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.970
In this paper we present a series of experiments that show transfer of diphenyltin dichloride and triphenyltin chloride across the lipid membrane using the stopped-flow technique. The results obtained demonstrate that diphenyltin dichloride and triphenyltin chloride first adsorb onto the lipid bilayer surface, in a diffusion-controlled manner and within a very short time (0.05 sec), whereas the membrane crossing was observed in a minute's time range. On passing from the outer to the inner surface of the bilayer, organotins undergo desorption and enter the liposome interior, which has been shown in the lipid monolayer desorption studies. | |
Materials, Nanoscience and Catalysis
Simple one-pot conversion of organic compounds by hydrogen peroxide activated by ruthenium(III) chloride: organic conversions by hydrogen peroxide in the presence of ruthenium(III) (p 1079-1082)
Praveen. Tandon, Ramesh Baboo, Alok. Singh, Gayatri, Manisha Purwar
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.949
New, simple, economical and environmentally benign RuIII-H2O2 system effeciently catalyzes the oxidation of various organic substrates. | |
A stable dimeric mono-coordinated NHC-Pd(II) complex: synthesis, characterization, and reactivity in Suzuki-Miyaura cross-coupling reaction (p 1083-1089)
Min Shi, Heng-Xin Qian
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.966
A stable dimeric mono-coordinated NHC-Pd(II) complex with bridging iodine atoms is synthesized and characterized by single-crystal X-ray diffraction and successfully applied to the Suzuki-Miyaura cross-coupling reaction under aerobic conditions. | |
Rhodium complexes with a new chiral nitrogen-containing BINOL-based diphosphite or phosphonite ligand: synthesis and application to hydroformylation of styrene and/or hydrogenation of prochiral olefins (p 1090-1095)
Ioannis D.ostas,alliopi A. Vallianatou, Jens Holz, Armin Börner
Published Online: Aug 12 2005 10:10AM
DOI: 10.1002/aoc.977
Two new cationic rhodium(I) complexes with a chiral nitrogen-containing BINOL-based diphosphite or phosphonite ligand have been synthesized. They were evaluated in the hydroformylation of styrene and/or the hydrogenation of prochiral olefins and displayed good activities but zero or low enantioselectivities. | |
Phosphorized zirconium oxide nanoparticles (p 1096-1100)
G. Vaivars, Ji Shan, G. Gericke, V. Linkov
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.978
In this work a simple method to phosphorize the surface of nanometric particles of crystalline zirconia in an acetic acid environment is described. The particle size is in the range 40-60 nm and the proton conductivity is of the order of 10-3 S cm-1 (measured on powder mixed with micro-fine teflon) at room temperature. | |
Main Group Metal Compounds
Structure and properties of double-C,N-chelated tri- and diorganotin(IV) halides (p 1101-1108)
Petr Novák, Zde
ka Pad
lková, Lenkaolá
ová, Ivana Císaová, Ale
Rû
i
ka, Jaroslav Holeek
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.958
Tri- and di-organotin(IV) compounds containing one or two 2-(dimethylaminomethyl)phenyl- (LCN) groups as chelating ligand(s) were studied by diffraction methods and NMR techniques. | |
Synthesis and cytotoxic activity of silacycloalkyl-substituted heterocyclic aldehydes and their thiosemicarbazones (p 1109-1113)
Edmunds Lukevics, Luba Ignatovich, Ilze Sleiksha, Irina Shestakova, Ilona Domrachova, Jury Popelis
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.961
A series of 5-[1-methyl silacyclopentyl(hexyl)]-2-furfural, 5-[1-methyl-silacyclopentyl(hexyl)]-2-thiophene carbaldehyde and 1,1-bis(5-formyl-2-furyl)silacyclo-pentane/-hexane and their thiosemicarbazones have been synthesized. Thiosemicarbazones of 5-(1-methylsilacyclohexyl)furfural and 5-(1-methylsilacyclopentyl)furfural were very active (1.0-4.0 µg ml-1) in vitro against human fibrosarcoma HT-1080 and mouse hepatoma MG-22A cells. | |
Antenna behavior of donor-acceptor dye-loaded novel supramolecular framework hosts (p 1114-1120)
Mohamed E. El-Zaria, Safaa El-din H. Etaiw, Moustafa Sh. Ibrahim
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.962
The encapsulation of donor-acceptor dyes within supramolecular framework systems host may be used for building an artificial antenna. | |
Substituted thienyl stibines and bismuthines: syntheses, structures and cytotoxicity (p 1121-1126)
Pankaj Sharma, Noe Rosas, Armando Cabrera, M. J. Silva Hernandez, Alfredo Toscano, Simón Hernández, Rene Gutierrez
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.963
New stibine and bismuthine substituted thienyls, i.e. tris(3-methyl-2-thienyl)-, tris(3-thienyl)-, and tris(5-chloro-2-thienyl)-, have been synthesized and characterized. Crystal structures and cytotoxicity against Artemia salina and a few tumour cell lines have been determined. | |
Synthesis, characterization and biological activity of a novel binuclear organotin complex, Ph3Sn(HL)·Ph2SnL [L = 3,5-Br2-2-OC6H2CH
NCH(i-Pr)COO] (p 1127-1131)
Laijin Tian, Yuxi Sun, Bochu Qian, Guoming Yang, You Yu, Zhicai Shang, Xiaoliang Zheng
Published Online: Sep 9 2005 9:43AM
DOI: 10.1002/aoc.968
The 1:1 reaction of triphenyltin chloride with potassium N-[(3,5-dibromo-2-hydroxyphenyl)methylene]valinate leads to the formation of the title compound by means of a facile Sn | |
C bond cleavage process. The complex contains trans-O2SnC2N and trans-O2SnC3 distorted trigonal bipyramidal geometries linked by a bridging carboxylate group. The compound exhibits good cytotoxicity and antibacterial activity. Synthetic, spectroscopic and antimicrobial studies of bis(dialkyldithiocarbamato)diorganodithiophosphatobismuth(III) complexes (p 1132-1139)
H. P. S. Chauhan, Nagulu Meera Shaik, U. P. Singh
Published Online: Sep 9 2005 9:33AM
DOI: 10.1002/aoc.972
The bis(dialkyldithiocarbamato)bismuth(III) diorganodithiophosphate complexes of the type [(R | |
2NCS2)2BiS2P(OR)2] (where RBook Review
Edited by G. T. Hefter and R. P. T. Tomkins. The experimental determination of solubilities. John Wiley and Sons, 2003, 658 pp;. ISBN 0-471-49708-8 (hardcover) (p 1140)
Frank Dewhurst
Published Online: Sep 20 2005 10:11AM
DOI: 10.1002/aoc.965