Palladium-Catalyzed Aerobic Aminooxygenation of Alkenes for Preparation of Isoindolinones
作者:Xuezhen Kou、Yu Li、Liang Wu、Xinghua Zhang、Guoqiang Yang、Wanbin Zhang
DOI:10.1021/acs.orglett.5b02703
日期:2015.11.20
A palladium-catalyzed intramolecular isoindolinone-forming aminooxygenation of alkenes with 1 atm of oxygen as oxidant is reported. A variety of functionalized alkenes and carboxylic acids can be used, and high yields were observed. Preliminary mechanistic studies revealed that the aminooxygenation products were formed through the oxidation of a C–PdII species using a strong oxidant, peroxide, which
报道了钯催化分子内异吲哚满酮形成的氨基氧合反应,其中氧原子为1个大气压。可以使用多种官能化的烯烃和羧酸,并且观察到高收率。初步的机理研究表明,氨基氧化产物是通过使用强氧化剂过氧化物将C-Pd II物种氧化而形成的,该过氧化物是由Pd(OAc)2 / bpy / O 2 / HOAc催化系统原位产生的。