Triethylamine → HCID 58628194, compound

Participants

Reaction Steps

Mix 2-{2-tert-butyl-5-[7-(3-trifluoromethyl-pyridin-2-yl)-quinazolin-4-ylamino]-phenoxy}-ethanol (240 mg, 0.5 mmol) and triethyl amine (60 mg, 0.6 mmol) in dichloromethane 10 ml and add methanesulfonyl chloride (60 mg, 0.5 mmol). Stir the solution at room temperature for 1 hour and evaporate to dryness. Re-dissolve the residue in acetonitrile, add dibenzyl phosphate (278 mg, 1.0 mmol) and silver oxide (231 mg, 1.0 mmol) and heat at 70° C. for 24 hours. Filter the mixture through a plug of Celite and evaporate the filtrate to dryness. Partition the residue between ethyl acetate and sodium bicarbonate solution and extract with further ethyl acetate. Dry the combined extracts (MgSO4) and concentrate under reduced pressure to give the title compound.

Provenance & Evidence