(E)-N′-(9-Anthrylmethylidene)-p-toluenesulfonohydrazide

(E)-N′-(9-Anthryl­methyl­idene)-p-toluene­sulfono­hydrazide

The S-N(H)-N=C linkage in the title mol-ecule, C(22)H(18)N(2)O(2)S, is non-planar [torsion angle = 30.6 (1)°] as the amino N atom is pyramidally coordinated. In the crystal, the amino group acts as a hydrogen-bond donor to an O atom of an adjacent mol-ecule, generating chains running parallel to the b axis.

(E)-N′-Benzyl­idene-p-toluene­sulfono­hydrazide

In the title compound, C(14)H(14)N(2)O(2)S, a novel sulfonamide derivative, an intra-molecular C-H⋯O hydrogen bond generates an S(5) ring motif. The mol-ecule adopts a twisted E configuration around the C=N bond. An inter-molecular N-H⋯O hydrogen bond generates an R(2) (2)(8) ring motif. The dihedral angle between the rings is 85.37 (9)°. The H atoms of the methyl group have rotational disorder...

(E)-N-(Anthracen-9-yl­methyl­idene)-4-nitro­aniline

In the title molecule, C(21)H(14)N(2)O(2), the anthracenyl system is approximately planar [maximum deviation = 0.056 (4) Å] and is oriented at a dihedral angle of 73.6 (1)° with respect to the benzene ring. An intra-molecular C-H⋯N hydrogen bond generates an S(6) ring motif. The crystal packing is stabilized by C-H⋯π and π-π inter-actions [centroid-centroid distances of 3.688 (2), 3.656 (1) and...

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