Triethylamine → HCID 86643481, compound

Participants

Reaction Steps

A stirred solution of 3-(4-bromo-3-methoxyphenyl)thiophene-2-carboxylic acid (2.23 g, 7.13 mmol) in benzene (28.5 mL) was treated with triethylamine (1.39 ml, 9.98 mmol) and diphenylphosphoryl azide (1.96 g, 7.13 mmol). The mixture was stirred for 20 h, then the volatiles were removed ant the residue was purified by column chromatography on silica gel (eluent: toluene) to afford the title (1.63 g, 68%). LCMS (ES+) m/z 310, 312 (M+H−N2)+.

Provenance & Evidence