Mechanism of thermal decomposition of tetra-aryltellurium species
Mechanism of thermal decomposition of tetra-aryltellurium species
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四芳基碲物质的热分解机理
DOI：
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发表时间：
1980
期刊：
影响因子：
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通讯作者：
S. Glover
中科院分区：
文献类型：
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作者：
S. Glover
四芳基碲化合物受热分解，能以良好的产率生成二芳基碲化物和联苯。自由基清除实验表明，苯基自由基不是联苯形成过程中的中间体。相反，交叉实验得到混合联苯以及混合二芳基碲化物，但这些是通过有机基团的统计再分布形成的，即形成混合的四芳基碲化合物，它们以无规律的方式热分解。
Tetra-aryltellurium species decompose upon heating giving good yields of diaryl tellurides and biphenyls. Radical-scavenging experiments show that phenyl radicals are not intermediates in the formation of biphenyls. In contrast, cross-over experiments give mixed biphenyls as well as mixed diaryl tellurides, but these are formed by a statistical redistribution of organic groups giving mixed tetra-aryltellurium species which decompose thermally in an indiscrimate fashion.