作者:Pingfan Li、Hisashi Yamamoto
DOI:10.1021/ja908127f
日期:2009.11.25
Lewis acid catalyzed inverse-electron-demand Diels-Alder reaction of tropone derivatives was developed. Up to 97% ee was obtained for the chiral dinucleus BINOL-aluminum complex catalyzed reaction between tropones and ketene diethyl acetal to give bicyclo[3.2.2] ring structures, which opens up a unique way of making chiral seven-membered rings.
开发了路易斯酸催化的托酮衍生物的逆电子需求 Diels-Alder 反应。手性双核 BINOL-铝络合物催化 tropones 与乙烯酮二乙缩醛反应生成双环 [3.2.2] 环结构,获得了高达 97% 的 ee,这开辟了一种独特的制备手性七元环的方法。