Synthesis
The general procedure for the synthesis of 2-nitrobenzenesulfonamide from o-nitrobenzenesulfonyl chloride was as follows: 120.0 g of 2-nitrobenzenesulfonyl chloride (Compound 1, 0.78 mol) was dissolved in 280 mL of tetrahydrofuran (THF) with 360.0 g of ammonium acetate (4.7 mol), heated to reflux and stirred overnight. After completion of the reaction, the solid product was collected by filtration and processed by vacuum drying to afford 86.0 g of 2-nitrobenzenesulfonamide (compound 2) as a yellow solid in 80% yield.
References
[1] Journal of Organic Chemistry, 2018, vol. 83, # 16, p. 9088 - 9095
[2] Patent: CN104761514, 2016, B. Location in patent: Paragraph 0023-0025
[3] Patent: JP2005/314398, 2005, A. Location in patent: Page/Page column 25
[4] Justus Liebigs Annalen der Chemie, 1875, vol. 177, p. 62
[5] Magnetic Resonance in Chemistry, 1987, vol. 25, p. 189 - 193
