Regio- and Stereoselective One-Pot Synthesis of Unknown Oxazoline-Fused Pyridazines by ‘Michael Addition-Pyridazine Cyclization-Oxazoline Cyclization’ Cascade Reactions of 4-Chloro-1,2-diaza-1,3-butadienes with 3-Dimethylaminopropenoates
作者:Orazio Attanasi、Gianfranco Favi、Paolino Filippone、Amalija Golobič、Francesca Perrulli、Branko Stanovnik、Jurij Svete
DOI:10.1055/s-2007-990962
日期:2007.12
A one-pot, three-step regio- and stereoselective synthesis of unknown functionalized oxazoline-fused pyridazines is reported. The approach involves base-assisted 'Michael addition-pyridazine cyclization-oxazoline cyclization' cascade reactions of 4-chloro-1,2-diaza-1,3-butadienes with 3-dimethylaminopropenoates.
报道了未知官能化恶唑啉稠合哒嗪的一锅、三步区域选择性和立体选择性合成。该方法涉及4-氯-1,2-二氮杂-1,3-丁二烯与3-二甲氨基丙烯酸酯的碱辅助“迈克尔加成-哒嗪环化-恶唑啉环化”级联反应。