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TABLE OF CONTENTS

Volume 22 Issue 3 , Pages 149 - 194 (March 2008)


Reviews

Three characteristic reactions of alkynes with metal compounds in organic synthesis (p 149-166)
Iwao Omae
Published Online: Feb 13 2008 3:46AM
DOI: 10.1002/aoc.1367

 

Alkynes have two sets of mutually orthogonal -bonds that are different from the -bonds of alkenes and they are fairly reactive because of the high s character of their -bonds. The following three types of reactions proceed as the characteristic reactions of alkynes with metal compounds in organic synthesis:

 

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Research Articles

Anionic surfactant-aided preparation of high surface area and high thermal stability ceria/zirconia-mixed oxide from cerium and zirconium glycolates via sol-gel process and its reduction property (p 167-170)
M. Rumruangwong, S. Wongkasemjit
Published Online: Feb 15 2008 3:36AM
DOI: 10.1002/aoc.1363

 

High surface area nanoparticle mesoporous ceria zirconia mixed oxide was synthesized using an anionic surfactant under basic conditions. A surface area in excess of 205.6 m2/g was obtained after calcination at 500° C, and dropped to 75.96 m2/g by heating at 900 ° C. TPR results showed that the lowest reduction temperature was obtained from the sample containing 40% zirconia content.

 

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Synthesis, structural characterization and cytotoxic activity of organotin derivatives of indomethacin (p 171-176)
Carlos Camacho-Camacho, Irma Rojas-Oviedo, M. Angeles Paz-Sandoval, Jorge Cárdenas, Alfredo Toscano, Marcel Gielen, Lidia Barrón Sosa, Francisco Sánchez Bártez, Isabel Gracia-Mora
Published Online: Feb 15 2008 3:36AM
DOI: 10.1002/aoc.1366

 

The synthesis, characterization and cytotoxic properties in vitro of indomethacin tin derivatives are described. These compounds have been characterized by 1H, 13C and 119Sn NMR spectroscopy in solution and 119Sn NMR in the solid state, infrared spectroscopy, elemental analysis and X-ray diffraction for compound 1.

 

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Highly efficient iron-catalyzed allylation of aromatic aldehydes with allyltriethoxysilane: one-pot and practical synthesis of homoallyl ethers (p 177-180)
Ming-Song Yang, Li-Wen Xu, Fei-Bao Zhang, Hua-Yu Qiu, Jian-Xiong Jiang, Guo-Qiao Lai
Published Online: Feb 15 2008 3:36AM
DOI: 10.1002/aoc.1368

 

FeCL3 is an effective Lewis acid catalyst for one-pot allylation-etherification of aromatic aldehydes with allyltriethoxysilane at room temperature to afford corresponding ethers in excellent yields.

 

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Studies on cyanosilylation reaction catalyzed by LnbondN complexes (p 181-186)
Luo Mei, Shang Wei Long, Hue Liang, Wu Shu Xuan
Published Online: Feb 1 2008 3:32AM
DOI: 10.1002/aoc.1369

 

Cyanosilylation reaction catalyzed by organometallic complexes has been developed for many years. A new family of LnN complexes as the Lewis acidic catalysts were synthesized and applied to the cyanosilylation ofetones and aldehydes to give yields > 99% for some cyanotrimethylsilyl ethers from the wide range of aldehyde substrates and around 50% yields ofetone substrates at room temperature using 20 mol% catalyst loadings.

 

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Synthesis, structure determination and chemoselective catalytic studies of amino acids complexes of osmium(II) (p 187-192)
Raja A. Sarfraz, Tasneem G.azi, Shahid Iqbal, Hassan I. Afridi, Mohammad. Jamali, Nusrat Jalbani, M. B. Arain
Published Online: Feb 13 2008 3:46AM
DOI: 10.1002/aoc.1370

 

The two new half sandwich amino acids complexes of osmium i.e, [Os(6-p-cymene) (1-N-(rac)-phenylglycine methylester)Cl2] (A) and [Os(6-p-cymene)(1-N,N-(S)-phen ylalanineamido)Cl](B) have been synthesized and employed for chemoselective reduction ofetones (9; , -unsaturatedetones & 3 saturatedetones). The complexes were characterized by spectroscopic as well as analytical methods, their solid structures was confirmed by single crystal X-ray analysis.

 

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Book Reviews

Edited By Martin Hiersemann, Udo Nubbemeyer (Editors). The Claisen Rearrangement:Methods and Applications. Wiley-VCH, 2007. 571 pp; ISBN 978-3-527-30825-5 (Hardcover) (p 193)
Andrew Sutherland
Published Online: Feb 26 2008 3:29AM
DOI: 10.1002/aoc.1377

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Edited by Alan E. Comyns. Encyclopedic Dictionary of Named Processes in Chemical Technology (Third Edition). CRC Press/Taylor and Francis: Boca Baton, 2007. 422 + xi pp; ISBN 978-0-8493-9163-7 (p 194)
Philip C.H. Mitchell
Published Online: Feb 26 2008 3:29AM
DOI: 10.1002/aoc.1381

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