MAIN GROUP METAL CHEMISTRY

VOLUME 27, NO. 5, 2004

TABLE OF CONTENTS

Some New Examples of the Catalysis of the Reaction of Organotin Phenoxides With Diethyl Azodicarboxylate by Litium Perchlorate

Wojciech J. Kinart, Cezary M. Kinart, Quang T. Tran and Rafael Oszczeda........................................................ 241

Spectroscopic Investigation of Organotin(IV) Derivatives of N,N’-Bis(2-Pyridil) Oxalamide

L.C.M. Costa, J.R. da S. Maia, G.M. de Lima and J.D. Ardisson.............................................................................. 247

Crystal Structure of Tricyclohexyltin 2,2,3,3-Tetramethylcyclopropanecarbocylate

Xueqing Song and George Eng.................................................................................................................................... 259

Coordination Behaviour and Biological Aspects of Diorganotin(IV) Complexes Derived from 1,3-dimethyl-4RC(O)-5-Pyrazolones and 1,3-dihydro-1,3-dioxo-R’-2H-isoindole-2-acetic Acids

Shashi Verma, Anurag Joshi, R.B. Gaur, R.R. Sharma............................................................................................... 263

Pyromellitic Acid as a Selective Precipitating Titrant for Lead (II)

Mustafa Tastekin, M. Abdulkadir Akay, Esin Canel and Esma Kilic...................................................................... 273

New Thiocarbamate Doped Sol-Gel Silica Extractant for Chromium (III)

Aslam Khan, Farzana Mahmood, M.Younas Khokhar, Shujaat Ahmed................................................................ 281