A Novel Entry into a New Class of Spiro Heterocyclic Framework: A Facile Synthesis of Dispiro[oxindole-1,2,3,4-tetrahydro-naphthalen-1-one]pyrrolidines and Spiro[1,2,3,4-tetrahydro-naphthalen-1-one]pyrrolidines
作者:A. Amal Raj、R. Raghunathan
DOI:10.1081/scc-120017188
日期:2003.1.5
Abstract 2-Arylidene-1,2,3,4-tetrahydro-naphthalen-1-ones undergo regioselective 1,3-dipolar cycloaddition reaction with the azomethine ylide derived from isatin and sarcosine by decarboxylative route affording a series of 1-N-methyl-spiro[2.31]oxindole-spiro[3.211]111, 211,311,411, -tetrahydro-naphthalen-111-one-4-aryl-pyrrolidines. 2-Arylidene-1,2,3,4-tetrahydro-naphthalen-1-ones also undergo cycloaddition
摘要 2-Arylidene-1,2,3,4-tetrahydro-naphthalen-1-ones 与来自靛红和肌氨酸的 azomethine ylide 通过脱羧途径发生区域选择性 1,3-偶极环加成反应,得到一系列 1-N-methyl -spiro[2.31]oxindole-spiro[3.211]111, 211,311,411, -tetrahydro-naphthalen-111-one-4-aryl-pyrrolidines。2-Arylidene-1,2,3,4-tetrahydro-naphthalen-1-ones 也与多聚甲醛和肌氨酸衍生的 azomethine ylide 发生环加成反应,得到一系列 1-N-methyl-spiro[3.21]11,21,31 ,41-四氢-萘-11-one-4-芳基-吡咯烷。化合物的结构是通过光谱技术确定的。