Regioselective Hetero-Michael Addition of Oxygen, Sulfur, and Nitrogen Nucleophiles to Maleimides Catalyzed by BF3·OEt2
作者:Yu-Long An、Yun-Xia Deng、Wei Zhang、Sheng-Yin Zhao
DOI:10.1055/s-0034-1380404
日期:2015.6
nitrogen nucleophiles to maleimides has been developed for the synthesis of alkyl fumarate derivatives or 3-substituted succinimides, respectively. This reaction system has wide substrate scope and gives moderate to excellent yields (up to 96%) of the desired products. In contrast to the base-catalyzed methods, this strategy is very general, simple, environmentally friendly, and tolerant of oxygen. A practical
摘要 已经开发了一种实用的BF 3 ·OEt 2催化的氧,硫和氮亲核试剂在马来酰亚胺上的区域选择性1,2-加成或1,4-杂-迈克尔加成反应,用于合成富马酸烷基酯或3-取代的琥珀酰亚胺,分别。该反应系统具有广泛的底物范围,可提供中等至极好的收率(高达96%)的所需产物。与碱催化方法相反,该策略非常通用,简单,环境友好且耐氧。 已经开发了一种实用的BF 3 ·OEt 2催化的氧,硫和氮亲核试剂在马来酰亚胺上的区域选择性1,2-加成或1,4-杂-迈克尔加成反应,用于合成富马酸烷基酯或3-取代的琥珀酰亚胺,分别。该反应系统具有广泛的底物范围,可提供中等至极好的收率(高达96%)的所需产物。与碱催化方法相反,该策略非常通用,简单,环境友好且耐氧。