Novel reactions of 6,7-dimethoxy-3,4-dihydroisoquinoline and 3,4-dihydro-β-carboline with dipolarophiles
作者:Miklós Nyerges、András Dancsó、István Bitter、Gábor Blaskó、László Tőke
DOI:10.1016/j.tetlet.2005.08.006
日期:2005.10
New reactions of 6,7-dimethoxy-3,4-dihydroisoquinoline and 3,4-dihydro-β-carboline with various electron-deficient olefins are described. ‘One-pot’ generation and cycloaddition of the 1,3- and 1,4-dipoles formed from these heterocycles with a range of alkene dipolarophiles affords cycloadducts in good yields with high regio- and stereoselectivity.
描述了6,7-二甲氧基-3,4-二氢异喹啉和3,4-二氢-β-咔啉与各种缺电子烯烃的新反应。由这些杂环形成的1,3-和1,4-偶极与一系列烯烃双极性亲和剂的“一锅法”生成和环加成反应可提供高收率,高区域选择性和立体选择性的环加合物。