[F:1][C:2]([F:11])([C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)[CH2:3][OH:4].[Br:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18]OCC(F)(F)CCC1C=CC=CC=1>>[Br:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][O:4][CH2:3][C:2]([C:5]1[CH:6]=[CH:7][CH:8]=[CH:9][CH:10]=1)([F:11])[F:1]Obtained from Intermediate 6 (6.88 g, 43.5 mmol) by the procedure described in Intermediate 3. Purification by column chromatography with silica gel and n-hexane/ethyl acetate (10:1) as eluent gave the title compound (10.9 g, 78%) as oil.
Wird geladen…