反应详情

2-Methylanthracene (5.00 g, 26.25 mmol, 1 eq), N-bromosuccinimide (4.70 g, 26.25 mmol, 1 eq), benzoyl peroxide (1.0 g) and carbon tetrachloride (250 mL) were mixed and refluxed for 6 hours. The mixture was cooled to room temperature, and the succinimide precipitate filtered. The filtrate was evaporated to dryness and the residue taken up in ethyl acetate (250 mL) and washed with 1 N NaOH (3×200 mL). The organic layer was dried (MgSO4) and the solvent removed in vacuo to yield 7.77 g of a light brown solid which was used without purification in the next step. NMR (DMSO-d6): δ 4.90 (s, 2H, CH2Br). ##STR55##

1. temperaturerefluxed for 6 hours
2. filtrationthe succinimide precipitate filtered
3. customThe filtrate was evaporated to dryness
4. washwashed with 1 N NaOH (3×200 mL)
5. dry with materialThe organic layer was dried (MgSO4)
6. customthe solvent removed in vacuo