通过1,3-偶极环加成反应轻松 合成螺[吲哚啉-3,3'-吡咯并[1,2- a ]喹啉]和螺[吲哚啉-3,1'-吡咯并[2,1- a ]异喹啉] 3-苯乙叉基氧杂吲哚杂芳族铵盐的制备†
摘要:
通过N-苯甲酰基喹啉溴化物与3-苯并萘恶氧吲哚的1,3-偶极环加成反应有效地合成了一系列复杂的螺线[indoline-3,3'-pyrrolo [1,2- a ] quinolines] 。乙醇 和 三乙胺作为基础。在相似的条件下,N-苯甲酰基异喹啉鎓和N-苯甲酰基-1,10-菲咯啉鎓溴化物与3-苯邻二甲恶基吲哚的1,3-环加成反应生成相应的螺[吲哚啉-3,1'-吡咯并[2,1- a ]异喹啉]和螺[苯并[ h ]吡咯并[1,2 - a ]喹啉-3,3'-二氢吲哚]衍生物的收率很高。螺环化合物的表征数据和单晶测定表明,该1,3-环加成反应是区域选择性和非对映选择性反应,所有制备的螺环化合物均存在于热力学稳定的反式异构体中。
A [3+2] cycloaddition reaction for the synthesis of spiro[indoline-3,3′-pyrrolidines] and evaluation of cytotoxicity towards cancer cells
作者:Ying Huang、Yi-Xin Huang、Jing Sun、Chao-Guo Yan
DOI:10.1039/c9nj00994a
日期:——
glycinate hydrochloride and dimethyl acetylenedicarboxylate, reacted with 3-phenacylideneoxindoline-2-ones in ethanol to give polysubstituted spiro[indoline-3,3′-pyrrolidines] in good yields. The biological activities of the various spiro[indoline-3,3′-pyrrolidines] obtained were investigated by in vitro evaluation against mouse breast cancer cells 4T1, mouse colon cancer cells CT26, human liver cancer