Hantzsch reaction with <i>bis</i>-indole-2,3-diones: Synthesis of novel <i>bis</i>-spirocyclic oxindole incorporating acridine, dipyrazolo[3,4-<i>b</i>:4',3'-<i>e</i>]pyridine and pyrido[2,3-<i>d</i>:6,5-<i>d'</i>]dipyrimidine
作者:Amr M. Abdelmoniem、Mohamed G. M. Abdelrahman、Said A. S. Ghozlan、Ahmed H. M. Elwahy、Ismail A. Abdelhamid
DOI:10.1080/00397911.2021.1908564
日期:2021.6.18
reaction of bis(indole-2,3-diones) with dimedone, 3-methyl-1H-pyrazol-5(4H)-one, or 6-aminouracil in boiling acetic acid afforded bis-spirocyclic oxindoles linked to acridine, dipyrazolo[3,4-b:4',3'-e]pyridine, and pyrido[2,3-d:6,5-d']dipyrimidine, respectively.
摘要 在沸腾的乙酸中,双(吲哚-2,3-二酮)与二甲酮,3-甲基-1 H-吡唑-5(4 H)-一或6-氨基尿嘧啶的一锅三组分环缩合反应得到分别与a啶,双吡唑并[3,4- b:4',3'- e ]吡啶和吡啶并[2,3- d:6,5- d ']双嘧啶连接的双-螺环羟吲哚。