Khan, M. A.; Mustafa, A. published the artcile< Ipso substitution in heterocyclic compounds. Bromination of pyrazole-4-carboxaldehydes>, Recommanded Product: 4-Bromo-3-phenyl-1H-pyrazole, the main research area is pyrazolecarboxaldehyde bromination.
Bromination of pyrazolecarboxaldehydes I (R1 = H, Me; R2 = H, NO2) with Br in AcOH at room temperature for 30 min gave 46-66% bromopyrazolecarboxaldehydes II.
Pharmazie published new progress about Bromination. 13808-65-6 belongs to class pyrazoles-derivatives, and the molecular formula is C9H7BrN2, Recommanded Product: 4-Bromo-3-phenyl-1H-pyrazole.
Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics