钴催化的十字路口：钴催化的 Alder-ene 反应与 [2 + 2] 环加成反应。
Cobalt catalysis at the crossroads: cobalt-catalyzed Alder-ene reaction versus [2 + 2] cycloaddition.
机构信息
Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35043 Marburg, Germany.
出版信息
Org Lett. 2010 Apr 2;12(7):1536-9. doi: 10.1021/ol100266u.
PMID:20196545
Abstract
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.
摘要
双齿膦配体在钴催化的环烯烃（如环戊烯和环庚烯）与内部炔烃的转化中的应用，根据炔烃的电子性质和所用配体的齿角，导致了选择性的 Alder-ene 或 [2 + 2] 环加成反应。
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