Isoxazoline derivatives shows various types of therapeutic activities like antimicrobial[1], antiinflammatory[ 2], anticonvulsant[3], Hypoglycemic[4] etc. getting to synthesized in view of 3-Aryl-5[(4′-difluoromethoxy)(3′-hydroxy)phenyl]-4,5-dihydro isoxazole (4a-4i) have been synthesized. All the newly synthesized compounds were screened for their antibacterial activity against S. aureus, M. luteus (Gram-positive bacteria), E. coli, S. thyphi (Gram-negative bacteria) and antifungal activity against Candida albicans (Fungi). The biological activities (MIC) of the synthesized compounds were compared with known standard drugs.
A convenient and general method for the preparation of new 7-substituted 3-methyl - isoxazolo[5,4-e][1,2,4]triazepin-4-ones from 5-amino-3-methylisoxazole-4-carboxylic acid methylhydrazide and carbonyl compounds is described. The synthesized compounds exhibited immunosuppressive properties in the murine humoral immune response in vivo and the proliferative response of mouse splenocytes to mitogens. The X-ray structure of a representative compound is reported.
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