HuagongsheHuagongshe Chemistry Print Report · For research reference only
p-Toluenesulfonic acid → N-(4-Carboxybenzylidene)-3-nitrobenzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | p-Toluenesulfonic acid | HCID 6101 | — |
| Reactant | 4-Formylbenzoic acid | HCID 12088 | — |
| Reactant | Benzenesulfonamide, 3-nitro- | HCID 67138 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | N-(4-Carboxybenzylidene)-3-nitrobenzenesulfonamide | HCID 54040526 | — |
Reaction Steps
In a similar manner to Example 2, 2.02 g (10 mmol) of 3-nitrobenzenesulfonamide, 1.50 g (10 mmol) of 4-carboxybenzaldehyde and 20 mg of TsOH in 150 mL of toluene were heated for 5 hours to yield 3.23 g (97%) of SULF-6 as a white powder: IR (Nujol) 3200-2500 (br), 1685, 1554, 1379, 1352, 1165 cm-1 ; 1H NMR (DMSO-d6, TMS ext std) δ 9.24 (s, 1), 8.47 (s, 1), 7.9-6.9 (m, 7).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05463115 |
| Source dataset | uspto-grants-1995_10 |
| ORD ID | ord-c7c8890da19a43a8ab55c8ab34a2f478 |
| Source note | uspto-grants-1995_10 |