Abstract
In the title molecule, C12H13NO5S, the benzisothiazole ring system is essentially planar (r.m.s. deviation = 0.0169 Å) as is the –C—C(=O)—O—C– sequence of atoms in the vicinity of the acetate group (r.m.s. deviation = 0.0044 Å). The mean plane of these atoms forms a dihedral angle of 88.41 (7)° with the benzisothiazole ring system. In the crystal, weak C—H⋯O hydrogen bonds involving methylene and methyne H atoms form R 4 3(20) graph-set motifs.
Highlights
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: LH5516)
Commission of Pakistan and PCSIR for the support to carry out this work
The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry
Summary
Siddiqui,b Tanveer Ahmadb and Masood Parvezc a Applied Chemistry Research Centre, PCSIR Laboratories Complex, Lahore 54600, Pakistan, bInstitute of Chemistry, University of the Punjab, Lahore 54590, Pakistan, and cDepartment of Chemistry, The University of Calgary, 2500 University Drive
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