EVIDENCE FOR THE FORMATION OF ACYLBORONATE INTERMEDIATES IN THE CARBONYLATION REACTIONS OF ORGANOBORANES

被引:26
作者
KABALKA, GW [1 ]
GOTSICK, JT [1 ]
PACE, RD [1 ]
LI, NS [1 ]
机构
[1] UNIV TENNESSEE,DEPT RADIOL,KNOXVILLE,TN 37996
关键词
D O I
10.1021/om00024a069
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Trialkylboranes react with acyllithium reagents to yield ketones after oxidation with hydrogen peroxide. The ketones contain one alkyl group supplied by the alkyllithium reagent and one alkyl group supplied by the organoborane. The experimental results support the hypothesis that an acylboronate is an intermediate in the reactions of organoboranes with carbon monoxide. The yields are modest due to an apparent competition between carbon monoxide and organoborane for the alkyllithium needed to generate the acyl anion.
引用
收藏
页码:5163 / 5165
页数:3
相关论文
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