3-bis(diphenylphosphino)propane (dppp) in ethylene glycol constitutes a high-performance catalytic system for highly regioselective arylation of a range of electron-rich vinyl ethers by aryl bromides to provide, upon hydrolysis, alkyl aryl ketones and cyclic ketals in good yields with up to 3.75 × 105 TON and 15625 h−1 TOF.
的结合
钯(OAc)2 和 1,3-双(
二苯基膦基)
丙烷 (dppp) 在
乙二醇构成对范围的富电子的
乙烯基醚的高度选择性芳基化高性能催化体系由芳基
溴化物来提供,在
水解后,烷基芳基酮和良好的收率高达环状
缩酮3.75×10 5 TON和15625ħ - 1 TOF。