Cobalt Catalysis at the Crossroads: Cobalt-Catalyzed Alder-Ene Reaction versus [2+2] Cycloaddition

被引：72
|
作者：
Hilt, Gerhard [1 ]
Paul, Anna [1 ]
Treutwein, Jonas [1 ]
机构：
[1] Univ Marburg, Fachbereich Chem, D-35043 Marburg, Germany
来源：
ORGANIC LETTERS | 2010年 / 12卷 / 07期
关键词：
ORGANIC-SYNTHESIS; ALKYNE CYCLOTRIMERIZATION; PHOSPHINE COMPLEXES; INTERNAL ALKYNES; EFFICIENT; SYSTEM; DELTACYCLENES; 1,4-DISILATETRALINES; 1,3-DISILAINDANES; PHENYLACETYLENE;
D O I：
10.1021/ol100266u
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The application of bidentate phosphine ligands in cobalt-catalyzed transformations of cyclic alkenes such as cyclopentene and cycloheptene with internal alkynes led to a chemoselective Alder-ene or a [2 + 2] cycloaddition reaction depending on the electronic nature of the alkyne and the bite angle of the ligand used.
引用
收藏
页码：1536 / 1539
页数：4
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