[Br:1]N1C(=O)CCC1=O.[C:9]([C:13]1[CH:18]=[C:17]([CH3:19])[CH:16]=[CH:15][C:14]=1[OH:20])([CH3:12])([CH3:11])[CH3:10]>CN(C)C=O>[Br:1][C:15]1[CH:16]=[C:17]([CH3:19])[CH:18]=[C:13]([C:9]([CH3:12])([CH3:11])[CH3:10])[C:14]=1[OH:20]Under nitrogen atmosphere, a dimethylformamide 100 ml solution of N-bromosuccinimide (22.25 g, 125 mmol) was added dropwise at 0° C. to a dimethylformamide 100 ml solution of 2-tert-butyl-4-methylphenol (20.53 g, 125 mmol) with stirring, the resulting reaction mixture was brought up to room temperature and stirred for 5 hours.
Wird geladen…