Abstract
The 3-chloro-1H-indazole system in the title molecule, C17H16ClN3O2S, is almost planar, with the largest deviation from the mean plane being 0.029 (2) Å for one of the N atoms. This system is nearly perpendicular to the allyl chain, as indicated by the C—C—N—N torsion angle of −90.1 (6)° between them. The allyl group is split into two fragments, the major component has a site occupancy of 0.579 (7). The indazole system makes a dihedral angle of 47.53 (10)° with the plane through the benzene ring. In the crystal, molecules are connected by N—H⋯O and C—H⋯O hydrogen bonds, forming a three-dimensional network.
Highlights
The 3-chloro-1H-indazole system in the title molecule, C17H16ClN3O2S, is almost planar, with the largest deviation from the mean plane being 0.029 (2) Å for one of the N atoms. This system is nearly perpendicular to the allyl chain, as indicated by the C—C—N—N torsion angle of 90.1 (6)
Molecules are connected by N—H O and C—H O hydrogen bonds, forming a three-dimensional network
Sulfonamides are an important class of compounds which are widely used in the design of diverse classes of drug candidates (El-Sayed et al, 2011; Mustafa et al, 2012; Scozzafava et al, 2003)
Summary
The 3-chloro-1H-indazole system in the title molecule, C17H16ClN3O2S, is almost planar, with the largest deviation from the mean plane being 0.029 (2) Å for one of the N atoms. Molecules are connected by N—H O and C—H O hydrogen bonds, forming a three-dimensional network. H-atom parameters constrained max = 0.26 e Å3 Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT
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