One-Pot Olefin Isomerization/Aliphatic Enamine Ring-Closing Metathesis/Oxidation/1,3-Dipolar Cycloaddition for the Synthesis of Isoindolo[1,2-<i>a</i>]isoquinolines
作者:Yuki Fujii、Tsunayoshi Takehara、Takeyuki Suzuki、Hiromichi Fujioka、Satoshi Shuto、Mitsuhiro Arisawa
DOI:10.1002/adsc.201500680
日期:2015.12.14
N-Alkyl-N-(2-vinylbenzyl)prop-2-en-1-amine derivatives undergo a one-pot olefin isomerization/aliphatic enamine ring-closing metathesis (RCM)/oxidation/1,3-dipolar cycloaddition sequence with the ruthenium complex, Ru(CO)HCl(PPh3)3, a second generation Hoveyda–Grubbs catalyst, and a 1,3-dipolarophile. Overall, in a single operation the reaction sequence converts simple benzylamine derivatives into isoindolo[1,2-a]isoquinolines
N-烷基-N-(2-乙烯基苄基)prop-2-en-1-胺衍生物经历一锅烯烃异构化/脂族烯胺闭环复分解(RCM)/氧化/ 1,3-偶极环加成序列,钌络合物Ru(CO)HCl(PPh 3)3,第二代Hoveyda-Grubbs催化剂和1,3-双极性亲和剂。总体而言,在一次操作中,反应序列通过三个独特的钌催化转化,将简单的苄胺衍生物转化为具有π共轭四环系统的异吲哚并[1,2- a ]异喹啉。