Synthesis of 6-Substituted Imidazo[2,1-b][1,3]thiazoles and 2-Substituted Imidazo[2,1-b][1,3]benzothiazoles via Pd/Cu-Mediated Sonogashira Coupling
作者:Mahmoud Nasrollahzadeh、Taghi Kamali、Davood Habibi
DOI:10.1055/s-0029-1217980
日期:2009.10
The reaction of iodobenzenes with 2-amino-3-(2-propynyl)-1,3-thiazolium bromide and 2-imino-3-(2-propynyl)-1,3-benzothiazole, catalyzed by Pd/Cu, leads to the formation of 6-substituted imidazo[2,1-b][1,3]thiazoles and 2-substituted imidazo[2,1-b][1,3]benzothiazoles, respectively.
碘苯与2-氨基-3-(2-丙炔基)-1,3-噻唑溴化物和2-亚氨基-3-(2-丙炔基)-1,3-苯并噻唑的反应,在Pd/Cu催化下,分别形成6-取代咪唑并[2,1-b][1,3]噻唑和2-取代咪唑并[2,1-b][1,3]苯并噻唑。