Author's Organization：Pharmaceutical Institute, Medical Faculty, University of Tokyo Pharmaceutical Institute, Medical Faculty, University of Tokyo Pharmaceutical Institute, Medical Faculty, University of Tokyo
About forty kinds of dibenzothiophene, fluorene, and carbazole derivatives were synthesized and the relationship between chemical structure and antibacterial action, especially against Mycobac. tuberc. A. T. C. C. No. 607, was elucidated in comparison with these of dibenzofuran derivatives.
