Chen Hong-mei
2007
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Journal
Journal of Jinggangshan University
Abstract
The title compound(I),dibutyltin(IV) complex of 1,5-bis(5-bromo-2-hydroxybenzylidene) thiocarbohydrazide,molecular formula C23H28Br2N4O2SSn,was synthesized by the reaction of 1,5-bis(5-bromo-2-hydroxy-benzylidene) thiocarbohydrazide with dibutyltin oxide in refluxing benzene-toluene,and its structure was characterized by elemental analysis,IR and 1H NMR spectroscopy.The crystal structure of the title complex has been determined from single crystal X-ray diffraction data.It crystallizes in the monoclinic space group P21/c with a=17.9191(9),b=18.791(1),c=17.9453(9),β=115.447(1)°,V=5456.2(5)3 and Z=4,resulting in a density Dcalc=1.709g/cm3.The strong intermolecular N-H···N hydrogen bonds lead to the formation of dimer,and all the dimer are held together by the van der Waals force.The antimicrobial test shows that the title compound and its analogue possess high antimicrobial activities against B.thuringiensis and B.Subtilis,and slightly less active against E.Coli and S.Aureus.