Synthesis of new heterocyclic nitrogen system bearing thiazolopyrazole moiety as new biocidal agents
Novel heteropolycyclic nitrogen systems as pyrazoles, phthalazines and 1,2,4-triazines bearing a thiazolopyrazole moiety (4-11) have been synthesized via heterocyclization of 2-hydrazino-thiazolo[5,4-d]pyrazole (3) with α,β-bifunctional compounds under different conditions. Structures of the new products established by their elemental analysis and spectral data. Some of these products exhibit moderate-good antibacterial activity towards E. coli and S. aureus in compare with streptomycin and tetracycline antibiotic.
Synthesis, structure analysis, investigation of conductivity, thermal properties of polyphenol derivatives containing a rhodanine moiety and their Cu(II), VO(IV) complexes
In this study, 5-benzylidenerhodanine derivatives namely 5-(2-hydroxybenzylidene)-2-thioxothiazolidin-4-one (SAR) and 5-((2-hydroxynaphthalen-1-yl)methylene)-2-thioxothiazolidin-4-one (HNAR) used as monomer. The new polymers of SAR and HNAR (PSAR and PHNA