NONTOXIC LIGANDS IN SAMARIUM DIIODIDE-MEDIATED CYCLIZATIONS

NONTOXIC LIGANDS IN SAMARIUM DIIODIDE-MEDIATED CYCLIZATIONS
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DOI:
10.1016/0040-4039(94)02398-u
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发表时间:
1995-02-06
影响因子:
1.8
通讯作者:
BEDESCHI, A
BEDESCHI, A
中科院分区:
化学4区
文献类型:
--
作者:
CABRI, W;CANDIANI, I;BEDESCHI, A

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本文报道了在三乙胺、1,8-二氮杂环[5.4.0]十一碳-7-烯和1,1 - 3,3-四甲基胍存在下,二碘化钐介导的芳基环化反应。观察到的产率和选择性与使用六甲基磷酰胺获得的产率和选择性相当。
Samarium diiodide-mediated cyclizations of aryl radicals carried out in the presence of several nitrogen ligands(triethylamine, 1,8-diazabyciclo[5.4.0]undec-7-ene and 1,1-3,3-Tetramethylguanidine)are described. The yields and the selectivities observed are comparable to the ones obtained by using hexamethylphosphoramide.