Phosphorus oxychloride → HCID 178420221, compound

Participants

Reaction Steps

The compound was synthesized starting from amino-4-phenylbutan-2-on-hydrochloride (163 mg; 1 mmol), benzimidazol-5-carboxylic acid (248 mg; 1 mmol), Lawesson's reagent (606 mg; 1.5 mmol), TEA (0.22 ml, 0.3 mmol) and POCl3 (0.137 ml; 1.5 mmol) as described above; yield: 0.042 g (13.8%); MS m/z: 306.1 [M+H]+; 1H-NMR (DMSO d6, 400 MHz): δ 2.98 (t, 2H, 3J=7.5 Hz); 3.20 (t, 2H, 3J=7.5 Hz); 7.17-7.22 (m, 1H); 7.25-7.31 (m, 4H); 7.62 (s, 1H); 7.80 (d, 1H, 3J=8.7 Hz); 7.90 (dd, 1H, 4J=1.7 Hz, 3J=8.3 Hz); 8.16 (d, 1H, 4J=1.7 Hz); 9.02 (s, 1H); HPLC (METHOD [A]): rt 13.73 min (97.4%)

Provenance & Evidence