821004-32-4Relevant articles and documents
Mononuclear heterocyclic rearrangement: Synthesis of [5:5] bicyclic [c]-fused 3-aminopyrazoles via the N-N bond formation strategy
Berry, David A.,Chien, Tun-Cheng,Townsend, Leroy B.
, p. 2475 - 2494 (2007/10/03)
The formation of [5:5] bicyclic heterocyclic ring systems containing [c]pyrazoles, i.e. imidazo[4,5-c]pyrazole, pyrazolo[3,4-c]pyrazole, pyrrolo-[2,3-c]pyrazole, and pyrazolo[3,4-d][1,2,3]triazole, was accomplished by mononuclear heterocyclic rearrangemen