Synthesis, Structural and Antimicrobial studies of some Novel (E)-3-[2-(arylsul phonyl) ethenyl]-4H-1-benzopyran-4-ones and their Cyclopropyl Derivatives
Synthesis structural and antimicrobial studies of some novel (E)-3(2)-(aryl sulphonyl)ethenyl-4 H-1-benzopyran-4-ones and their cyclopropyl derivatives