Synthesis and Antimicrobial Evaluation of a New Series of N-1,3-Benzothiazol-2-ylbenzamides

Scheme 1

Reagents and conditions: (i) Br₂, KSCN, AcOH, 30–35°C; (ii) suitable difluorobenzoyl chloride, Et₃N, dioxane, 50–60°C.