Para- Aminosalicylic Acid–Part III

Abstract
Summary: A series of tri-substituted aromatic compounds have been synthesised and their in vitro activities against the tubercle bacillus determined. The results of the study indicate no apparent relationship between structure and activity. The thiosemicarbazone of p-aminosalicylaldehyde has been synthesised and its activity compared with the thiosemicarbazones of p-acetylaminobenzaldehyde and p-methoxybenzaldehyde.