Abstract
The title compound, C32H30N4O2S4, consists of two Schiff base moieties, namely two S-benzyl-β-N-(2-hy-droxy-phenyl-ethyl-idene)di-thio-carbazate groups, which are connected through an S-S single bond. These two moieties are twisted with respect to each other, with a dihedral angle of 87.88 (4)° between the S2C=N planes. A bifurcated intra-molecular O-H⋯(N,S) hydrogen bond is observed in each moiety. In the crystal, mol-ecules are linked by pairs of C-H⋯O hydrogen bonds into inversion dimers. The dimers are further stacked in a column along the b axis through weak C-H⋯π inter-actions.
Highlights
The title compound, C32H30N4O2S4, consists of two Schiff base moieties, namely two S-benzyl--N-(2-hydroxyphenylethylidene)dithiocarbazate groups, which are connected through an S—S single bond
A number of Schiff bases have been derived from SBDTC (Crouse et al, 2004; Howlader et al, 2015)
C17—N3) of 1.2789 (15)–1.2983 (15) Å indicate double-bond character (Tarafder et al, 2008), but they are slightly shorter than the C N bond of the S-2-picolyl dithiocarbazate Schiff base of 2-acetyl pyrrole (Crouse et al, 2004)
Summary
There has been immense interest in nitrogen–sulfur donor ligands since the report on S-benzyldithiocarbazate (SBDTC). (Ali & Tarafder, 1977). A number of Schiff bases have been derived from SBDTC (Crouse et al, 2004; Howlader et al, 2015). The versatile coordination chemistry and increasingly important biological properties of ligands derived from SBDTC have received much attention (Zangrando et al, 2015). In a continuation of our research in this area, the title compound (systematic name: 2-[1-(2{(benzylsulfanyl)[((benzylsulfanyl){2-[1-(2-hydroxyphenyl)ethylidene]hydrazin-1-ylidene}methyl)disulfanyl]methylidene}ethyl]phenol) was prepared from SBDTC
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