Eighteen 5-nitrofuran-2-yl derivatives were prepared by reacting 5-nitro-2-furfural with various (sub) phenyl/pyridyl thiosemicarbazide using microwave irradiation. The compounds were tested for their in vitro activity against tubercular and various non-tubercular mycobacterium species in log-phase and 6-week-starved cultures. Compound N-(3, 5- dibromopyridin-2-yl)-2-((5-nitrofuran-2-yl) methylene) hydrazinecarbothioamide (4r) was ...