作者:Pier Giovanni Baraldi、Maria J. Pineda de las Infantas、Stefano Manfredini、Romeo Romagnoli
DOI:10.1055/s-2000-6231
日期:——
4-aryl-substituted-6-methyl-4H-pyrazolo[3,4-c]-1,2,5-oxadiazoles 15-21 were easily obtained through the oxidation reaction mediated by lead(IV) acetate of 5-methyl-4-nitroso-2-phenyl-2H-pyrazol-3-ylamines 8-14 in 88-97% yields.
通过醋酸铅(IV)介导的 5-甲基-4-亚硝基-2-苯基-2H-吡唑-3-基胺 8-14 的氧化反应,轻松获得了 4-芳基取代的 6-甲基-4H-吡唑并[3,4-c]-1,2,5-恶二唑 15-21,收率为 88-97%。