A new, practical synthesis of organotellurium compounds from organic halides and silyl tellurides. Remarkable effects of polar solvents and leaving groups
作者： Shigeru Yamago , Kazunori Iida , Jun-ichi Yoshida
DOI: 10.1016/S0040-4039(01)00931-5
关键词:
摘要: Abstract Silyl tellurides react with organic halides to give the corresponding organotellurium compounds and silyl in good excellent yields. Substitution proceeds polar solvents, such as acetonitrile, but not nonpolar solvents under identical conditions. The leaving group also plays a significant role, alkyl bromides being most reactive, chlorides less so iodides least reactive. After removal of volatile solvent vacuum, essentially pure compounds, which can be used directly precursors for carbocations, carbanions, carbon-centered radicals, were obtained.
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