Synthesis, antimicrobial and cytotoxicity studies of some novel modified Strobilurin derivatives
作者:Ajjanna M Sridhara、Kallam R. Venugopala Reddy、Jathi Keshavayya、Dasannana Malige S Ambika、Vadiraj S Gopinath、Prosenjit Bose、Sanath Kumar Goud、Sanenahalli K Peethambar
DOI:10.1590/s0103-50532011000500006
日期:——
A series of some new 3-isoxazoline substituted methyl-3-methoxy-2-(4-oxo-3,4-dihydrophthalazin-1-yl)prop-2-enoate derivatives were designed and synthesized from methyl-(4-oxo-3,4-dihydrophthalazin-1-yl)acetate, which in turn was prepared from phthalic anhydride. The structures of synthesized new compounds were characterized by spectral data and studied for their antimicrobial activities and cytotoxicity. Several of these compounds showed good antimicrobial activity.
Synthesis of Nitriles from Aldoximes and Primary Amides Using XtalFluor-E
purification of the nitrile after the workup was not required. The dehydration reaction of aldoximes and amides for the synthesis of nitriles using [Et2NSF2]BF4 (XtalFluor-E) is described. Overall, the reaction proceeds rapidly (normally <1 h) at room temperature in an environmentally benign solvent (EtOAc) with only a slight excess of the dehydrating agent (1.1 equiv). A broad scope of nitriles can be prepared