Nonstatistical dynamics in the thermal Garratt-Braverman/[1,5]-H shift of one ene-diallene: an experimental and computational study.

Nonstatistical dynamics in the thermal Garratt-Braverman/[1,5]-H shift of one ene-diallene: an experimental and computational study.
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一种烯-二联烯热 Garratt-Braverman/[1,5]-H 位移的非统计动力学:实验和计算研究

DOI:
10.1021/jo501324w
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发表时间:
2014
期刊:
The Journal of organic chemistry
影响因子:
--
通讯作者:
M. Schmittel
M. Schmittel
中科院分区:
--
文献类型:
--
作者:
D. Samanta;A. Rana;M. Schmittel

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本文报道了烯-二联烯6生成烯(E)-8和烯(Z)-8的热Garratt-Braverman/[1,5]-H位移的机理。发现产物比与温度无关,并且与计算的能垒不一致(即,TS 2 E和TS 2 Z)。实验和DFT计算结果的基础上,我们提出了一种机制,强烈控制的非统计动力学效应。
A mechanistic study of the thermal Garratt–Braverman/[1,5]-H shift of ene–diallene6leading to alkenes (E)-8and (Z)-8is reported. The product ratio was found to be temperature-independent and does not agree with the computed energy barriers (i.e.,TS2E⧧andTS2Z⧧). On the basis of experimental and DFT computational results, we propose a mechanism that is strongly controlled by nonstatistical dynamic effects.
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