Thiadiazine derivatives R 0660 Synthesis of Novel Benzo-1,2,5-thiadiazines, Their Antimicrobial Activity and Isomerization into Benzo-1,2,4-triazines. -Compound (IVc) shows high antimicrobial activity against S. aureus and B. subtilis and antifungal activity against A. niger [for compounds (III) no yields given]. -(DEOHATE, P. P.; DEOHATE, J. P.; BERAD*, B. N.; J. Indian Chem. Soc. 81 (2004) 9, 775-777; Postgrad. Dep. Chem., Shri Shivaji Sci. Coll., Amravati 444 603, India; Eng.) -C. Oppel 36-166

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Thiadiazine derivativesThiadiazine derivatives R 0660 Synthesis and Antimicrobial Activity of 1,3,5-Thiadiazines and Their Isomerism into 1,3,5-Triazines. -A series of 2,6-diimino-4-aminothiadiazines (V) (7 examples) are synthesized, which suffer isomerization into triazines (VI) on treatment with NaOH in a H2O/EtOH solution. Screening of thiadiazines (V) for antimicrobial activity shows that compounds (Vc) and (Ve) are highly active against S. typhi and B. subtilis, whereas compounds (Vb) and (Vf) are highly active against A. niger. -(DEOHATE*, P. P.; BERAD, B. N.; Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem. 44 (2005) 3, 638-642; Postgrad. Dep. Chem., Shri Shivaji Sci. Coll., Amravati 444 603, India; Eng.) -A. Forchert 28-175

Thiadiazole derivatives R 0300Synthesis of Novel Bis-1,3,4-thiadiazoles, Bis-1,2,4-triazoles and Their Antimicrobial Activity. -Some of the novel title compounds are highly active against E. coli, B. subtilis and S.

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