Palladium-Catalyzed Oxidative Arylating Carbocyclization of Allenynes: Control of Selectivity and Role of H<sub>2</sub>O
作者:Teresa Bartholomeyzik、Javier Mazuela、Robert Pendrill、Youqian Deng、Jan-E. Bäckvall
DOI:10.1002/anie.201404264
日期:2014.8.11
for the carbocyclization/arylation of allenynes using arylboronic acids are reported. Arylated vinylallenes are obtained with the use of BF3⋅Et2O as an additive, whereas addition of water leads to arylated trienes. These conditions provide the respective products with excellent selectivities (generally >97:3) for a range of boronic acids and different allenynes. It has been revealed that water plays
报道了使用芳基硼酸对亚炔的碳环化/芳基化的高度选择性的方案。芳基化vinylallenes与使用BF得到3 ⋅Et 2 O作为添加剂,而加入水引线到芳基化三烯。这些条件为各个产品提供了对一系列硼酸和不同的烯炔具有优异的选择性(通常> 97:3)。已经发现水在产品分配中起着至关重要的作用。