A catalyst-,acid-and base-free,environmental-friendly method for synthesis of 2/7-benzo[g]furo[2,3-e]indazoles,2H-benzo[g]-thieno[2,3-e]indazoles and 2H-benzo[g]pyrrolo[2,3-e]indazoles via UV light irradiation of 3-ph...A catalyst-,acid-and base-free,environmental-friendly method for synthesis of 2/7-benzo[g]furo[2,3-e]indazoles,2H-benzo[g]-thieno[2,3-e]indazoles and 2H-benzo[g]pyrrolo[2,3-e]indazoles via UV light irradiation of 3-phenyl-4-(2-heteroaryl)pyrazoles(aryl=furanyl,thiophenyl and N-methylpyrrolyl)in EtOH/H_(2)O at room temperature under argon atmosphere was described.展开更多
基金We are grateful for financial support by the National Natural Science Foundation of China(No.21672132).
文摘A catalyst-,acid-and base-free,environmental-friendly method for synthesis of 2/7-benzo[g]furo[2,3-e]indazoles,2H-benzo[g]-thieno[2,3-e]indazoles and 2H-benzo[g]pyrrolo[2,3-e]indazoles via UV light irradiation of 3-phenyl-4-(2-heteroaryl)pyrazoles(aryl=furanyl,thiophenyl and N-methylpyrrolyl)in EtOH/H_(2)O at room temperature under argon atmosphere was described.
