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Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry Volume 31, 2001 - Issue 2
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Original Articles

SYNTHESIS AND CHARACTERIZATION OF DIORGANOTIN COMPOUNDS CONTAINING SILICON AND GERMANIUM AND CRYSTAL STRUCTURE OF PRECURSOR CARBOXY-ETHYLTRICHLOROGERMANIUM

M. Aziz Choudhary Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan
,
M. Mazhar Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan
,
U. Salma Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan
,
S. Ali Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan
,
X. Qinglan Key National Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin, 300071, People's Republic of China
&
K. C. Molloy Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, U.K.
Pages 277-295 | Received 12 Mar 1999, Accepted 22 Nov 2000, Published online: 15 Feb 2007
 
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Abstract

Eight compounds of general formula [R1(CH3)2SiCH2]2Sn- [O2CCH2(R2)CHGeR3 3]2 [R1 = CH3, C2H5; R2 = C6H5, C6H4OMe-3/4, R3 = CH3, N(CH2CH2O)3] have been synthesised from [R1 (CH3)2SiCH2]2SnCl2 and R3 3GeCH(R2)CH2CO2H in the presence of triethylamine. (Me3CCH2)3SnO2CCH2(R1)CHGe(R2)3 [R1 = C6H5, C6H4OMe-3; R2 = N(CH2CH2O)3] have been synthesised similarly from (Me3CCH2)3SnCl. The compounds have been characterised by 1H, 13C, 29Si and 119Sn NMR. The structure of a precursor, Cl3GeCH(Ph)CH2CO2H, has been re-determined and shown to be a hydrogen-bonded dimer rather than a monomer as previously described.

ACKNOWLEDGMENT

M. Mazhar is thankful to the Pakistan Science Foundation for financing the project, to Professor T. N. Mitchell, University of Dortmund, Germany, for gifts of chloromethyltrimethylsilane, tris(neopentyl)tin bromide and germanium dioxide. M. A. Choudhary is grateful to the University of Azad Jammu & Kashmir, Muzaffarabad, for granting a study leave.

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