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| 概要 |
The kinetic analysis of the [1,5] sigmatropy of 3,3-diphenyl-3,3a-dihydrocyclohepta[b]-furan-2-one was carried out under various pressures (1 to l600 bar). The activation volume of the [1,5] process o...f the cycloheptatriene was considerably less negative than that of either [1,5] sigmatropy of cyclopentadienes or [3,3] and [1,9] processes of tropones. This is due to an increase of a free radical character in the transition state in terms of a long-distance movement of the migrating groups.続きを見る
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Mendeley出力
