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

页码：1536 / 1539

页数：4

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