Triethylamine hydrochloride → 1-(2-hydroxy-3-propyl-4-{3-[4-(2H-tetrazol-5-yl)-phenylamino]-benzyloxy}-phenyl)-ethanone

Participants

Reaction Steps

Using the general procedure for formation of tetrazole (Et3NHCl method) of Example 1 using 4-[3-(4-acetyl-3-hydroxy-2-propyl-phenoxymethyl)-phenylamino]-benzonitrile (380 mg, 0.949 mmol), sodium azide (308 mg, 4.74 mmol), and triethylamine hydrochloride (653 mg, 4.74 mmol) to yield the title product as a white solid (120 mg, 29%): 1H NMR (DMSO-d6) δ 0.785 (t, 3H), 1.44 (sextuplet, 2H), 2.52 (s, 3H), 2.55 (t, 2H), 5.20 (s, 2H), 6.68 (d, 1H), 6.97 (d, 1H), 7.04 (d, 1H), 7.15 (d, 2H), 7.24 (s, 1H), 7.29 (t, 1H), 7.76 (d, 1H), 7.82 (d, 2H), 8.69 (s, 1H), 12.80 (s, 1H); MS (esi negative) m/z (rel intensity) 442 (100).

Provenance & Evidence