Iodoethane → Tert-butyl 4-{2-[(3,5-bis-trifluoromethyl-benzyl)-(4-ethoxy-5'-isopropyl-2'-methoxy-biphenyl-2-ylmethyl)-amino]-pyrimidin-5-yloxy}-butyrate

Participants

Reaction Conditions

Reaction Steps

Tert-butyl 4-{2-[(3,5-bis-trifluoromethyl-benzyl)-(4-hydroxy-5′-isopropyl-2′-methoxy-biphenyl-2-ylmethyl)-amino]-pyrimidin-5-yloxy}-butyrate (70 mg) is dissolved in N,N-dimethylformamide (3 ml) and thereto are added potassium carbonate (26.4 mg) and iodoethane (29.8 mg) and the mixture is stirred at 50° C. for 8 hours. Thereto are added ethyl acetate and a water, and the mixture is separated, and the organic layer is washed with a saturated brine, dried over magnesium sulfate and concentrated under reduced pressure. The resulting residue is purified by NH-silica gel column chromatography (hexane:ethyl acetate=1:0→9:1) to give tert-butyl 4-{2-[(3,5-bis-trifluoromethyl-benzyl)-(4-ethoxy-5′-isopropyl-2′-methoxy-biphenyl-2-ylmethyl)-amino]-pyrimidin-5-yloxy}-butyrate (60.5 mg). MS (m/z): 762 [M+H]+

Provenance & Evidence