Studies of silyl and germyl Group VI species. Part II. Bis(methylgermyl) and bis(dimethylgermyl) chalcogenides and related species
- 15 February 1978
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 56 (4) , 465-472
- https://doi.org/10.1139/v78-075
Abstract
Comparative reactions of some halogenogermanes with lithium(I), lead(II), and organosilicon Group VI species have been investigated, leading to the efficient syntheses of the chalcogermanes of the formula (MenH3−nGe)2E, where E = O, S, Se, Te; n = 0 → 3. The spectroscopic properties of the new bis(methylgermyl) and bis(dimethylgermyl) chalcogenides are discussed. Germanethiols and germaneselenols, viz. MenH3−nGeEH (E = S, Se; n = 0, 3) are isolated as intermediates in the reaction of digermoxanes with H2E and from equilibrium mixtures of (MenH3−nGe)2E with excess H2E. Evidence is presented for the condensation of the chalcogermanes to species of the type MenH3−nGe(EGeH3−nMen)2 (n = 1, 2) and for the elimination of metallic selenium or tellurium giving digermanes of the type (MenH3−nGe)2 (n = 1, 2).Keywords
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