545357-63-9Relevant academic research and scientific papers
Synthesis of peri-annelated heterocyclic systems based on 3-substituted 1-aryl-4,6-dinitro-1H-indazoles
Starosotnikov,Lobach,Vinogradov,Shevelev
, p. 1777 - 1781 (2003)
A method for the synthesis of peri-annelated trinuclear heterocycles, including 14π-electron heteroaromatic systems, namely, 1H-thiopyrano[4,3,2- cd]indazoles and 1,5-dihydropyrazolo[3,4,5-de]cinnolines, from 3-R-1-aryl-4,6-dinitro-1H-indazoles was develo
Synthesis of 14π-electron peri-annelated tricyclic heteroaromatic systems based on 2,4,6-trinitrotoluene
Starosotnikov, Aleksei M.,Vinogradov, Vasilii M.,Shevelev, Svyatoslav A.
, p. 200 - 201 (2007/10/03)
Methyl 1-aryl-7-nitro-1H-thiopyrano[4,3,2-cd]indazol-4-carboxylates 2 and 1,5-diaryl-7-nitro-1,5-dihydropyrazolo[3,4,5-de]-cinnolines 4 were prepared based on 1-aryl-3-formyl-4,6-dinitro-1H-indazoles 1, which were synthesised previously starting from 2,4,
