Synthesis of polycyclic fused heterocycles based on 4,6-dinitro-1-phenyl-1H-indazole
作者:M. A. Bastrakov、A. M. Starosotnikov、V. V. Kachala、I. V. Glukhov、S. A. Shevelev
DOI:10.1007/s11172-010-0025-3
日期:2009.2
Tricyclic heteroaromatic systems of the furoxan, vic-triazole, imidazole, and pyrazine series containing the annulated indazole fragment were synthesized based on substituted aminoindazoles prepared by the functionalization of 4-R-6-nitro-1-phenylindazoles (R = NO2 or SO2Ph) at positions 6 and 7.