[Cl:1][C:2]1[C:10]([Cl:11])=[C:9]2[C:5]([CH2:6][CH:7]([C:13]3[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=3)[C:8]2=[O:12])=[CH:4][C:3]=1[OH:19].Br[CH2:21][C:22]([O:24][CH3:25])=[O:23]>>[Cl:1][C:2]1[C:10]([Cl:11])=[C:9]2[C:5]([CH2:6][CH:7]([C:13]3[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=3)[C:8]2=[O:12])=[CH:4][C:3]=1[O:19][CH2:21][C:22]([O:24][CH3:25])=[O:23]Reaction of 6,7-dichloro-5-hydroxy-2-phenyl-1-indanone with methyl bromoacetate according to the procedure of Example 1, STEP (a), affords the title compound, m.p. 151.5°-153° (from benzenecyclohexane).
読み込み中…