Synthesis of Dispiro[indeno[1,2-b]quinoxaline] Derivatives via 1,3-Dipolar Cycloaddition Reactions
作者:Sha Li、Jiaxi Tan、Xiaofang Li
DOI:10.1134/s1070428021100237
日期:2021.10
Abstract 1,3-Dipolar cycloadditions of (E)-7-(arylmethylidene)-6,7-dihydroindolizin-8(5H)-one and (E)-2-(arylmethylidene)-2,3-dihydro-1H-pyrrolizin-1-one with azomethine ylide generated in situ by the reaction of 11H-indeno[1,2-b]quinoxalin-11-one and L-proline afforded novel 1′-aryl-5′,5″,6′,6″,7′,7a′-hexahydro-1′H,8″H-dispiro[indeno[1,2-b]quinoxaline-11,3′-pyrrolizine-2′,7″-indolizin]-8″-ones and
摘要 的(1,3-偶极环加成ë)-7-(亚苄基)-6,7- dihydroindolizin-8(5 ħ) -酮和(ë)-2-(亚苄基)-2,3-二氢-1- ħ -通过 11 H-茚并[1,2 - b ]喹喔啉-11-酮和L-脯氨酸反应原位生成偶氮甲碱叶立德的pyrrolizin-1-one得到新型1'-芳基-5',5",6' ,6",7',7a'-六氢-1' H ,8" H-二螺[indeno[1,2 - b ]quinoxaline-11,3'-pyrrolizine-2',7"-indolizin]-8" -ones 和 1'-aryl-5',6',7',7a'-四氢-1' H ,1″ H ,3″ H -dispiro[indeno[1,2- b]quinoxaline-11,3'-pyrrolizine-2',2"-pyrrolizin]-1"-ones,分别为中等至良好的产率。通