abstract |
A class of pyrazoline derivatives prepared by salicylaldehyde is characterized in that it has the following general formula: In the structural formula, R 1 is one of the following groups: -F, -Cl, -Br, -CH 3 , -OCH 3 ; R 2 is one of the following groups: -H, -Cl, -B r. The present disclosure established its method. |