7,8,9,10-Tetrahydropyrrolo[2,1-a]isoquinolines in the search for new indolizine derivatives
作者:Mino R. Caira、Marcel Mirel Popa、Constantin Draghici、Loredana Barbu、Denisa Dumitrescu、Florea Dumitrascu
DOI:10.1016/j.tetlet.2014.08.054
日期:2014.10
8,9,10-Tetrahydropyrrolo[2,1-a]isoquinolines were obtained by 1,3-dipolar cycloaddition reactions of their corresponding N-ylides with olefinic (acrylonitrile) and symmetrical or non-symmetrical acetylenic dipolarophiles (methyl/ethyl propiolate, dimethyl acetylenedicarboxylate). Also, stable 5,6,7,8-tetrahydroisoquinolinium dicyanomethylide was isolated and characterized by X-ray diffraction analysis
通过其相应的N-基团与烯烃(丙烯腈)和对称或非对称炔属双极性亲和剂(甲基/乙基)的1,3-偶极环加成反应获得7,8,9,10-四氢吡咯并[2,1- a ]异喹啉丙酸酯,乙炔基二羧酸二甲酯)。另外,分离出稳定的5,6,7,8-四氢异喹啉二氰基甲基化物并通过X射线衍射分析表征。