Generation of pyrrolo[2,1-a]isoquinoline derivatives from N-ylides: Synthetic control and structural characterization
作者:Florea Dumitrascu、Mino R. Caira、Emilian Georgescu、Florentina Georgescu、Constantin Draghici、Marcel Mirel Popa
DOI:10.1002/hc.20740
日期:2011.11
New pyrrolo[2,1-a]isoquinolines were obtained by two one-pot procedures via 1,3-dipolar cycloaddition between the isoquinolinium N-ylides and symmetrical acetylenic dipolarophiles, avoiding the formation of dihydro intermediates. For structural comparison, the dihydro derivatives obtained by a classical two-stage reaction were characterized by NMR and X-ray crystallography, allowing complete stereochemistry
新的吡咯并[2,1-a]异喹啉通过两个一锅法通过异喹啉鎓N-叶立德与对称炔属偶极亲和体之间的1,3-偶极环加成获得,避免了二氢中间体的形成。对于结构比较,通过经典的两阶段反应获得的二氢衍生物通过 NMR 和 X 射线晶体学进行表征,从而可以进行完整的立体化学分配。© 2011 Wiley Periodicals, Inc. 杂原子化学 22:723–729, 2011; 在 wileyonlinelibrary.com 上在线查看这篇文章。DOI 10.1002/.20740