Studies with azoles and benzoazoles: A novel simple approach for synthesis of 3-functionally substituted 3-acylindoles

Article abstract of DOI:10.1002/jhet.5570440119

(Chemical Equation Presented) 3-Substituted acylindoles 8 are obtained via refluxing carboxylic acids with indole in acetic anhydride solutions. The formed 3-substituted acylindole 8a is readily converted into 4-aminopyrazol-3- ylindoles 20, and into 22.