Single and multiple insertion of carbon-carbon triple bonds into the palladium-aryl bond of cationic and neutral arylpalladium complexes with a 2,2′-bipyridine ligand

被引：36

作者：

Yagyu, T

Osakada, K

Brookhart, M

机构：

[1] Tokyo Inst Technol, Resources Utilizat Res Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

[2] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA

来源：

ORGANOMETALLICS | 2000年 / 19卷 / 11期

关键词：

D O I：

10.1021/om0000360

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Dimethyl acetylenedicarboxylate reacts with PdI(C6H3Me2-3,5)(bpy) in the presence of AgBF4, causing rapid insertion of three acetylene molecules into the Pd-C bond to afford [Pd{C(CCOOMe-CZ=CZ-CZ=CZ)(Z)(C6H3Me2-3,5)}(byp)]BF4 (Z = COOMe), whereas a similar reaction without AgBF4 gives the product of a single insertion of the carbon-carbon triple bond, Pd(I)(CZ=CZC(6)H(3)Me(2)-3,5)(bpy).

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页码：2125 / 2129

页数：5

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