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Journal of Coordination Chemistry
Year: 2009  |  Volume: 62  |  Issue: 4  |  Page No.: 636 - 644

Synthesis, spectral and antimicrobial studies of chloroantimony(III)di[3(2′-hydroxyphenyl)-5-(4-substitutedphenyl)pyrazolinates]

U. N. Tripathi, Jeevan S. Solanki, Mohd Safi Ahmad and Arpan Bhardwaj    

Abstract: Dichloroantimony(III) pyrazolinates and chloroantimony(III) dipyrazolinates of the type SbCl 2(C 15H 12N 2OX) and SbCl(C 15H 12N 2OX)2 [where C15H 12N 2OX = 3(2′-hydroxyphenyl)-5-(4-X-phenyl)pyrazoline, X=H in 1 and 5;-CH 3 in 2 and 6;-OCH 3 in 3 and 7 and-Cl in 4 and 8] have been synthesized by reaction of SbCl 3 and sodium salt of pyrazolines in 1 : 1 and 1 : 2 molar ratio in anhydrous benzene at elevated temperature. These newly synthesized derivatives have been characterized by elemental analysis (C, H, N, Cl and Sb), molecular weight measurement and spectral studies [IR and 1H and 13C NMR]. The free pyrazoline and some dichloroantimony(III) pyrazolinates and chloroantimony(III) dipyrazolinates have been screened for antibacterial and antifungal activities, with some dichloroantimony(III) pyrazolinates and chloroantimony(III) dipyrazolinates exhibiting higher antibacterial and antifungal effects than free pyrazoline and some antibiotics.

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