Mild palladium-catalyzed C-H alkylation using potassium alkyltrifluoroborates in combination with MnF3.
Mild palladium-catalyzed C-H alkylation using potassium alkyltrifluoroborates in combination with MnF3.
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DOI:
10.1021/ol400888r
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发表时间:
2013-05-03
期刊:
影响因子:
5.2
通讯作者:
Sanford, Melanie S.
中科院分区:
文献类型:
--
作者:
Neufeldt, Sharon R.;Seigerman, Cydney K.;Sanford, Melanie S.
A Pd-catalyzed method for ligand-directed C–H alkylation with organoboron reagents is described. The combination of potassium organotrifluoroborates, MnF3, and a PdII catalyst effects pyridine and amide-directed C–H alkylation. These reactions proceed under mild conditions (25–40 °C in weakly acidic media), are effective for installing methyl and 1° alkyl groups, and do not require promoters like benzoquinone.
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