Diversity-Oriented Synthesis of Functionalized 1-Aminopyrroles by Regioselective Zinc Chloride-Catalyzed, One-Pot ‘Conjugate Addition/Cyclization’ Reactions of 1,3-Bis(silyl enol ethers) with 1,2-Diaza-1,3-butadienes
作者:Vahuni Karapetyan、Satenik Mkrtchyan、Andreas Schmidt、Orazio A. Attanasi、Gianfranco Favi、Fabio Mantellini、Alexander Villinger、Christine Fischer、Peter Langer
DOI:10.1002/adsc.200800097
日期:2008.6.9
convenient one-pot process, the easily accessible 1,2-diaza-1,3-butadienes and 1,3-bis(silyl enol ethers) are converted into the previously unknown functionalized 1-aminopyrroles and 1-amino-4,5,6,7-tetrahydroindoles. The domino reaction proceeds through a zinc chloride-catalyzed ‘conjugate addition/cyclization’ sequence.
通过便捷的一锅法,将易于获得的1,2-二氮杂1,3,3-丁二烯和1,3-双(甲硅烷基烯醇醚)转化为以前未知的官能化的1-氨基吡咯和1-amino-4, 5,6,7-四氢吲哚。多米诺反应通过氯化锌催化的“共轭加成/环化”顺序进行。