[F:1][C:2]([F:12])([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([CH3:11])[CH:6]=1)[CH2:3][OH:4].[Br:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19]OCC(F)(F)CCC1C=CC=CC=1>>[Br:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][O:4][CH2:3][C:2]([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([CH3:11])[CH:6]=1)([F:12])[F:1]Obtained from Intermediate 29 (5.55 g, 32.2 mmol) by the procedure described in Intermediate 3. Purification by column chromatography with silica gel and n-hexane/ethyl acetate (from pure n-hexane to 10:1) as eluent gave the title compound (10.99 g, 100%) as oil.
Wird geladen…