[CH3:1][C:2]1([CH3:14])[C:10]2[C:5](=[CH:6][C:7]([CH3:11])=[CH:8][CH:9]=2)[C:4]([CH3:13])([CH3:12])[CH2:3]1.[Br:15]N1C(=O)CCC1=O>C(Cl)(Cl)(Cl)Cl.N(C(C)(C)C#N)=NC(C)(C)C#N>[Br:15][CH2:11][C:7]1[CH:6]=[C:5]2[C:10](=[CH:9][CH:8]=1)[C:2]([CH3:14])([CH3:1])[CH2:3][C:4]2([CH3:13])[CH3:12]10.0 g of 1,1,3,3,5-pentamethylindane were dissolved in 125 ml of carbontetrachloride and were added to the resulting solution, 9.92 g of N-bromosuccinimide and 35 mg of 2,2′-azobisisobutyronitrile (AIBN). The reaction mixture was heated to reflux for 5 hours. The reaction was cooled to 0° C. and the succinimide was filtered off. The resulting solution was concentrated in vacuo and the residue (14.7 g) was further dissolved in 150 ml of hexane. The precipitate was again removed by filtration and the solution was concentrated in vacuo, giving 13.8 g of 5-bromomethyl-1,1,3,3-tetramethylindane as a yellow oil.
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