Fragmentations observed in the reactions of α-methoxy-γ-alkoxyalkyl iodide substrates with super-electron-donors derived from 4-DMAP and N-methylbenzimidazole.

Fragmentations observed in the reactions of α-methoxy-γ-alkoxyalkyl iodide substrates with super-electron-donors derived from 4-DMAP and N-methylbenzimidazole.
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在 α-甲氧基-γ-烷氧基烷基碘化物底物与源自 4-DMAP 和 N-甲基苯并咪唑的超电子给体反应中观察到的断裂。

DOI:
10.1039/c0ob01282c
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发表时间:
2011
影响因子:
3.2
通讯作者:
John A. Murphy
John A. Murphy
中科院分区:
化学3区
文献类型:
--
作者:
R. Sword;L. Baldwin;John A. Murphy

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衍生自 4-二甲基氨基吡啶和 N-甲基苯并咪唑的超电子给体 (SED) 与 α-甲氧基-γ-烷氧基烷基碘化物的反应导致释放出 γ-烷氧基作为其醇。这与从烷基卤化物前体产生烷基自由基,并通过 SED 的自由基阳离子捕获这些自由基,然后进行杂裂裂解是一致的。
Reactions of super-electron-donors (SEDs) derived from 4-dimethylaminopyridine and from N-methylbenzimidazole with α-methoxy-γ-alkoxyalkyl iodides lead to liberation of the γ-alkoxy groups as their alcohols. This is consistent with generation of alkyl radicals from the alkyl halide precursors, and trapping of these radicals by the radical-cation of the SED, followed by a heterolytic fragmentation.
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影响因子: 3.6
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影响因子: 3.6
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发表时间: 2008-03-20
期刊: ORGANIC LETTERS
影响因子: 5.2
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