Rhodium-catalyzed addition of aryl- and alkenylsilanediols to aldehydes

被引：0

作者：

Fujii, T ^{[1
]}

Koike, T ^{[1
]}

Mori, A ^{[1
]}

Osakada, K ^{[1
]}

机构：

[1] Tokyo Inst Technol, Chem Resources Lab, Yokohama, Kanagawa 2268503, Japan

来源：

SYNLETT | 2002年 / 02期

关键词：

silanediol; rhodium complex; arylation; alkenylation; aldehyde;

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Arylation and alkenylation of aromatic aldehydes with silanediols is shown to proceed by use of a catalytic amount of rhodium complex. Treatment of ethyl(4-methoxyphenyl)silanediol with benzaldehyde in the presence of 3 mol% of [Rh(OH)(cod)](2) affords 4-methoxyphenyl(phenyl)methanol in 59% yield after stirring at 70 degreesC for 24 hours. On the other hand, diarylketone was also obtained at elevated temperature via beta-hydride elimination from intermediary rhodium alkoxide.

引用

页码：298 / 300

页数：3

共 22 条

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