An efficient and regiospecific synthesis of 1,5-diaryl-4-benzothiazolyl-1,2,3-triazoles by organocatalytic 1,3-dipolar cycloaddition reactions
作者:Miaomiao Shu、Liqiong Ran、Kexiong Liu、Wen Yang、Qiuan Wang
DOI:10.1080/00397911.2020.1758144
日期:2020.6.17
Abstract An efficient synthesis of 1,5-diaryl-4-benzothiazolyl-substituted 1,2,3-triazoles by organocatalytic 1,3-dipolar cycloaddition reactions, from easily available benzo[d]thiazole derivatives and substituted azidobenzenes, has been developed. The 1,8-diazabicyclo[5,4,0]undec-7-ene is used as organocatalyst, and the 2-(1,5-diaryl-1H-1,2,3-triazol-4-yl)benzo[d]thiazoles were obtained in good yields
摘要 通过有机催化 1,3-偶极环加成反应,从易得的苯并 [d] 噻唑衍生物和取代的叠氮基苯中有效合成 1,5-二芳基-4-苯并噻唑基取代的 1,2,3-三唑。1,8-二氮杂双环[5,4,0]十一碳-7-烯用作有机催化剂,2-(1,5-二芳基-1H-1,2,3-三唑-4-基)苯并[ d] 噻唑以良好的产率 (60% - 82%) 获得,具有区域特异性。所有合成化合物的结构均经 1H NMR、13C NMR 和 HRMS 确证。图形概要