作者:Wilson, Nicolas A.、Palmer, William M.、Ganley, Jacob M.、Coombs, John R.、Levorse, Mark S.、Albaneze-Walker, Jennifer、Frantz, Doug E.
DOI:10.1055/a-2331-2707
日期:——
conversion of phenols into benzonitriles via aryl imidazolylsulfonates with a non-toxic cyanide source, potassium ferrocyanide, has been developed. Salient features of this method include low palladium precatalyst loadings (as low as 1.0 mol% total Pd), mild reaction conditions, and environmentally benign by-products compared to other (pseudo)halide aryl electrophiles. The initial scope of the reaction
已经开发出一种通用的钯催化方法,通过芳基咪唑基磺酸盐与无毒的氰化物源亚铁氰化钾将苯酚转化为苯酚。与其他(拟)卤化芳基亲电子试剂相比,该方法的显着特点包括钯预催化剂负载量低(总钯含量低至 1.0 mol%)、温和的反应条件以及对环境无害的副产物。演示了一系列酚类前体反应的初始范围,包括将酚直接转化为苯甲腈的一锅两步方法。