Synthesis of Fused Oxabicyclic Systems by Metal-Catalyzed Intramolecular Addition of 1,3-Cycloalkyldiones to Alkynes
作者:Moisés Gulías、J. Ramón Rodríguez、Luis Castedo、José L. Mascareñas
DOI:10.1021/ol0345632
日期:2003.5.1
[reaction: see text] Readily available 4-propargyl-1,3-cyclohexanediones and cyclopentanediones can be chemo- and regioselectively cycloisomerized to synthetically appealing fused oxabicyclic systems by simply stirring at room temperature with catalytic amounts of an appropriate metal complex.
[反应:请参见文本]只需在室温下与催化量的适当金属络合物一起搅拌,就可以将易于获得的4-炔丙基-1,3-环己二酮和环戊二酮化学和区域选择性环异构化为合成上有吸引力的氧杂双环系统。