[OH:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH2:4][CH2:5][C:6]2=[O:11].[CH3:12][N:13]([C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)[C:14](Cl)=[O:15]>>[O:11]=[C:6]1[C:7]2[C:3](=[C:2]([O:1][C:14](=[O:15])[N:13]([CH3:12])[C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)[CH:10]=[CH:9][CH:8]=2)[CH2:4][CH2:5]1The title product was prepared from 4-hydroxyindanone and N-methyl-N-phenylcarbamoyl chloride. The crude product was subjected to preparative HPLC. (77%, light yellow oil).
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