No abstract

pyrazoline {where X = H (a); CH 3 (b); OCH 3 (c); Cl (d) and R = Me, Pr n and Ph}] have been synthesized by the reaction of R 2 SnCl 2 with sodium salt of pyrazolines in 1 : 2 molar ratio, in anhydrous benzene. These newly synthesized derivatives have been characterized by elemental analysis (C, H, N, Cl and Sn), molecular weight measurement as well as spectral [IR and multinuclear NMR ( 1 H, 13 C and 119 Sn)] studies. The bidentate behaviour of the pyrazoline ligands was confirmed by IR, 1 H and 13 C NMR spectral data. A distorted trans-octahedral structure around tin(IV) atom for R 2 Sn(C 15 H 12 N 2 OX) 2 has been suggested. The free pyrazoline and diorganotin(IV) dipyrazolinates have also been screened for their antibacterial and antifungal activities. Some diorganotin(IV) dipyrazolinates exhibit higher antibacterial and antifungal effect than free ligand and some of the antibiotics.

No abstract

No abstract

No abstract