A series of hitherto unreported anthracene-embedded dispirooxindoles has been synthesized via a one-pot three-component 1,3-dipolar cycloaddition reaction of an azomethine ylide, generated in situ from the reaction of isatin and sarcosine to 10-benzylideneanthracen-9(10H)-one as a dipolarophile in 1-butyl-3-methylimidazolium bromide([bmim]Br), an ionic liquid. This reaction proceeded regio- and diastereoselectively, in good to excellent yields.
在
离子液体 1-丁基-3-甲基
溴化
咪唑鎓([bmim]Br)中,以偶极亲和剂为双极亲和剂,通过由异
靛红和
肌氨酸与 10-亚苄基
蒽-9(10H)-酮原位反应生成的偶氮亚甲基酰基的单锅三组分 1,3-二极环加成反应,合成了一系列迄今未报道的
蒽嵌二螺
吲哚。该反应具有区域和非对映选择性,收率良好甚至极佳。