The 1,5-disubstituted thiocarbohydrazide ligands were prepared by the condensation of thiocarbohydrazide with salicylaldehyde and 5-methylsalicylaldehyde, respectively. The butyltin complexes, [(5-R-2-hydroxy)ArCH=NNH](2)CS(n-BuSnCl)(2), R = H(T1); R = Me(T2), based on the 1,5-disubstituted thiocarbohydrazide were obtained by microwave-assisted solvothermal reaction of n-butyltintrichloride precursor with the ligands in methanol environments, which have been structurally characterized by elemental analysis, IR and (H-1,C-13) NMR spectra. The crystals belong to monoclinic system, space groups C...