The base-induced cascade rearrangement of 4-acetylamino-3-arylazo-1,2,5-oxadiazole 2-oxides (furoxans) into 4-acetylamino-2-aryl-5-nitro-2H-1,2,3-triazoles
The base-induced cascade rearrangement of 4-acetylamino-3-arylazo-1,2,5-oxadiazole 2-oxides (furoxans) into 4-acetylamino-2-aryl-5-nitro-2H-1,2,3-triazoles
Thermal rearrangements of 3-substituted 4-(3-ethoxycarbonylthioureido)-1,2,5-oxadiazole 2-oxides
作者:Sergey I. Molotov、Alexander S. Kulikov、Nina N. Makhova、Konstantin A. Lyssenko
DOI:10.1070/mc2003v013n04abeh001792
日期:2003.1
New thermally induced rearrangements in the furoxan series have been found: transformation of 3-(R)-substituted 4-(3-ethoxycarbonylthioureido)-1,2,5-oxadiazole 2-oxides (furoxans) into derivatives of 5-amino-3-(alpha-nitroalkyl)-1,2,4-thiadiazole for R=Me, Ph, MeCO and into (5-amino-1,2,4-thiadiazol-3-yl)nitroformaldehyde arylhydrazones for R=N=N-Ar.
The base-induced cascade rearrangement of 4-acetylamino-3-arylazo-1,2,5-oxadiazole 2-oxides (furoxans) into 4-acetylamino-2-aryl-5-nitro-2H-1,2,3-triazoles
作者:Ekaterina L. Baryshnikova、Alexander S. Kulikov、Igor V. Ovchinnikov、Vladimir V. Solomentsev、Nina N. Makhova