Triethylamine → 2-(5-(4-Fluorophenoxy)-4'-trifluoromethyl-biphenyl-3-yl)-pentanoic acid ethyl ester

Participants

Reaction Steps

Triethylamine (100 μL, 0.72 mmol) was added to a stirred mixture of 2-(5-hydroxy-4′-trifluoromethyl-biphenyl-3-yl)-pentanoic acid ethyl ester (90 mg, 0.25 mmol), Cu(OAc)2 (68 mg, 0.38 mmol), 4-fluorophenylboronic acid (70 mg, 0.57 mmol), 4 {acute over (Å)} molecular sieves (25 mg, powdered) and DCM (2 mL) at room temperature open to the air. After 24 h, the reaction mixture was loaded onto silica and purified (0-10% ethyl acetate in petrol) to give 2-(5-(4-fluorophenoxy)-4′-trifluoromethyl-biphenyl-3-yl)-pentanoic acid ethyl ester (67 mg) as a colourless oil.

Provenance & Evidence