Research Article

Synthesis, Characterization, and Bioactivity of Schiff Bases and Their , , , and Complexes Derived from Chloroacetophenone Isomers with S-Benzyldithiocarbazate and the X-Ray Crystal Structure of S-Benzyl-β-N-(4-chlorophenyl)methylenedithiocarbazate

Table 2

Physical properties and yield of the Schiff bases and their complexes.

CompoundColourYieldMelting point (°C)

SBDTCWhite7.67 g124
NS4 Light yellow1.46 g138.5
NS2 White0.61 g178
Zn(NS4)2Yellowish green0.65 g200
Cd(NS4)2Yellowish brown2.81 g189
Ni(NS4)2Dark green0.52 gDecomposes at 309.5
Cu(NS4)2Dark brown0.52 g190
Zn(NS2)2White0.35 g159
Cd(NS2)2Greyish green0.59 gDecomposes at 170
Ni(NS2)2Light green0.12 gDecomposes at 160
Cu(NS2)2Dark brown0.10 gDecomposes at 205