4-Aryl-substituted 6-methyl-4H-pyrazolo[3,4-c]-1,2,5-oxadiazoles were easily obtained through oxidn. of 2-aryl-5-methyl-4-nitroso-2H-pyrazol-3-amines by Pb(OAc)4 in 88-97% yield.
A new synthetic approach to pyrazolo[3,4-c]-1,2,5-oxadiazoles
BARALDI, Pier Giovanni;MANFREDINI, Stefano;ROMAGNOLI, Romeo
2000
Abstract
4-Aryl-substituted 6-methyl-4H-pyrazolo[3,4-c]-1,2,5-oxadiazoles were easily obtained through oxidn. of 2-aryl-5-methyl-4-nitroso-2H-pyrazol-3-amines by Pb(OAc)4 in 88-97% yield.File in questo prodotto:
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