A tandem aza-Friedel–Crafts reaction/Hantzsch cyclization: a simple procedure to access polysubstituted 2-amino-1,3-thiazoles
摘要:
A tandem aza-Friedel-Crafts reaction/Hantzsch cyclization is described to access various polysubstituted 2-amino-1,3-thiazoles from electron-rich (hetero)-aromatic rings, aldehydes, thiourea and alpha-chloroketones. (C) 2011 Elsevier Ltd. All rights reserved.
Synthesis of Novel Thioamidoalkyl- and Thiocarbamidoalkyl Naphthols via a Three-Component Condensation Reaction Using Heterogeneous Catalyst of Ferric Hydrogensulfate
heterogeneous catalyst for the one-pot multicomponent reaction of β-naphthol, aromatic aldehydes, and thioamide derivatives to obtain the corresponding thioamidoalkyl naphthols. Various novel thioamidoalkyl naphthols and thiocarbamidoalkyl naphthols were synthesized in good yields from thioacetamide and thiourea. The heterogeneous nature of the catalyst made it reusable for further chemical reactions. GRAPHICAL