A cascade diazotization/intramolecular radical C–H heteroarylation of 1-benzyloxy-5-aminotetrazoles and 1-phenethyl-5-aminotetrazoles as substrates using sodium nitrite and acetic acid without any heating, catalysis, irradiation, or electrolysis is reported. This one-pot reaction afforded the desired tricyclic tetrazole products in good yields (up to 94%) without isolation of the diazonium salt intermediate
报道了使用
亚硝酸钠和
乙酸,在没有任何加热、催化、辐射或电解的情况下,1-苄氧基-5-
氨基
四唑和 1-苯乙基-5-
氨基
四唑作为底物的级联重氮化/分子内自由基 C-H 杂芳基化。这种一锅法反应以良好的收率(高达 94%)提供了所需的
三环四唑产物,而无需在温和的反应条件下分离重氮盐中间体。