Direct Hiyama cross-coupling of enaminones with triethoxy(aryl)silanes and dimethylphenylsilanol.
Direct Hiyama cross-coupling of enaminones with triethoxy(aryl)silanes and dimethylphenylsilanol.
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DOI:
10.1021/ol202202a
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发表时间:
2011-10-21
期刊:
影响因子:
5.2
通讯作者:
Georg GI
中科院分区:
文献类型:
--
作者:
Bi L;Georg GI
2,3-Dihydropyridin-4(1H)-ones undergo direct C–H functionalization at C5 in the palladium(II)-catalyzed Hiyama reaction, using triethoxy(aryl)silanes and dimethylphenylsilanol. The reagent CuF2 has a dual role in the reactions with triethoxy(aryl)silanes. It is a source of fluoride to activate the silane in the Hiyama reaction and also serves as the reoxidant to convert Pd(0) to Pd(II) in the catalytic cycle.
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