Cobalt-catalyzed syn hydrophosphination of alkynes

被引:77
作者
Ohmiya, H [1 ]
Yorimitsu, H [1 ]
Oshima, K [1 ]
机构
[1] Kyoto Univ, Grad Sch Engn, Dept Chem Mat, Nishikyo Ku, Kyoto 6158510, Japan
关键词
alkenes; alkynes; cobalt; phosphines; regioselectivity;
D O I
10.1002/anie.200500255
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Treatment of terminal and internal alkynes with diphenylphosphane in the presence of catalytic amounts of a base and cobalt (II) acetylacetonate affords, with perfect and universal syn selectivity, the (E)-alkenyldiphenylphosphane derivatives in good yield (see scheme, acac = acetylacetonate). (Equation Persented) © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:2368 / 2370
页数:3
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