p-Toluenesulfonic acid → HCID 54432475, compound

Participants

Reaction Steps

In a similar manner to Example 2, 1.25 g (9 mmol) of 4-cyanobenzaldehyde, 1.91 g (9 mmol) of 4-carboxybenzenesulfonamide and 20 mg of TsOH in 150 mL of chlorobenzene under nitrogen were heated for 18 hours to give 2.58 g (86%) of SULF-7 as a white powder: IR (Nujol) 3400-2400 (br), 2224, 1682, 1605, 1155 cm-1 ; 1H NMR (DMSO-d6, TMS ext std)δ 9.35 (s, 1), 8.3-7.8 (m, 8).

Provenance & Evidence