1: magnesium; 1-bromo-4-fluorobenzene With iodine in tetrahydrofuran 2: 5-cyano-isobenzofuran-1-one in tetrahydrofuran; dichloromethane T=-6 - -2°C; 3: With sodium tetrahydroborate; ammonium chloride more than 3 stages;
Bernotas, Ronald C.; Thomas, Craig E.; Carr, Albert A.; Nieduzak, Thaddeus R.; Adams, Ginette; Ohlweiler, David F.; Hay, David A.
Bioorganic and Medicinal Chemistry Letters, 1996 , vol. 6, # 10 p. 1105 - 1110
