p-Toluenesulfonic acid → HCID 53787602, compound

Participants

Reaction Steps

In the same manner as Example 2, 0.60 g (4 mmol) of 4-carboxybenzaldehyde, 0.80 g (4 mmol) of 4-carboxybenzenesulfonamide and 15 mg of TsOH in 80 mL of chlorobenzene under nitrogen were heated to provide 80% of SULF-5 as a light tan powder: IR (Nujol) 3400-2600 (br), 3082, 1688, 1614, 1160 cm-1 ; 1H NMR (DMSO-d6, TMS ext std) δ9.17 (s, 1), 8.2-7.8 (m, 8).

Provenance & Evidence