Arpan BHARDWAJ, Tulsi Ram THAPAK, Umesh Nath TRIPATHI, Mohammad Safi AHMAD, Afshan SIDDIQUI, Jeeven Singh SOLANKI

Synthesis, spectral characterization, and antimicrobial activity of arsenic (ııı) and bismuth (ııı) tri (3(2'-hydroxyphenyl)-5-(4-subsituted phenyl) pyrazolinates)

Arsenic(III) tripyrazolinates and bismuth(III) tripyrazolinates of the type M(C15H12N2OX) 3 [where C15H12N2OX = 3(2’-hydroxyphenyl)-5-(4-substituted phenyl)pyrazoline] have been synthesized by the reaction of MCl 3 and sodium salt of pyrazolines in 1:3 molar ratio in anhydrous benzene at elevated temperature. These newly synthesized derivatives have been characterized by elemental analysis (C, H, N, As, and Bi), molecular weight measurement, spectral [IR and multinuclear NMR ( 1H & 13 C)] and x-ray diffraction studies. The bonding mode of pyrazolines and coordination no. of arsenic(III) and bismuth(III) in these derivatives have been discussed. Antibacterial and antifungal potential of free pyrazoline and some arsenic(III) tripyrazolinates and bismuth(III) tripyrazolinates have also been discussed.

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