Diisopropylethylamine → [1-(2-Fluoro-4-nitrophenyl)-1H-imidazol-4-yl]methanol

Participants

Reaction Steps

3,4-Difluoro-nitrobenzene (23.85 g) was dissolved in acetonitrile (180 ml), followed by 4-hydroxymethylimidazole (14.7 g) and ethyldiisopropylamine (65.2 ml). The mixture was stirred and heated to reflux for 2 days. After cooling, acetonitrile was evaporated and the residue was shaken with a mixture of methyl t-butyl ether (200 ml) and water (100 ml), and the solid filtered. After washing with a mixture of methyl t-butyl ether (50 ml) and water (25 ml), the solid was dried in vacuo at 60° C. overnight, to give product (26.8 g) mp 157-159° C.

Provenance & Evidence