Received 2 August 2008
The title compound, C12H11NO4S, is a Schiff base derived from the condensation reaction of equimolar quantities of sulfamide and furfural. The molecule has a trans configuration with respect to the imine C=N double bond. The N atom is involved in an intermolecular O-H-N hydrogen bond.
Data collection: SMART (Bruker, 2000); cell refinement: SAINT (Bruker, 2000); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BX2168 ).
The author acknowledges a research grant (No. 08JZ07) from the Phytochemistry Key Laboratory of Shaanxi province.
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