Abstract
Solvolysis of 2-aryl-3-(trimethylsilyl)propyl tosylate revealed the competitive assistances of the β-aryl and β-(trimethylsilyl)methyl groups. It is found out that the enhanced reactivity by the percaudal interaction of trimethylsilylmethyl group is comparable with that by π-participation of β-phenyl group, and is extraordinarily larger than that by σ-participation of the alkyl group.
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