Pyrazoline and pyrazole are heterocyclic compounds containing two nitrogen atoms and possess bioactivity such as tyrosinase inhibitor, antidiabetic and anticancer. Pyrazoline and pyrazole derivatives of 3,4-dimethoxybenzaldehyde and 3-bromoacetophenone were synthesized through one-pot synthesis and followed by an oxidative aromatization reaction. Pyrazoline compound were purified by recrys…