Cl[CH2:2][C:3]([C:5]1[CH:10]=[CH:9][C:8]([F:11])=[CH:7][CH:6]=1)=[O:4].[C:12]([O:18][CH3:19])(=[O:17])[CH2:13][C:14]([CH3:16])=O>>[F:11][C:8]1[CH:9]=[CH:10][C:5]([C:3]2[O:4][C:14]([CH3:16])=[C:13]([C:12]([O:18][CH3:19])=[O:17])[CH:2]=2)=[CH:6][CH:7]=1An operation similar to that in Example 1 (1) was performed using 2-chloro-4′-fluoroacetophenone (13.4 g) and methyl acetoacetate (8.6 g) to give the title compound (7.4 g, 63%) as a yellow crystal.
Wird geladen…