N-bromobutanimide → 2-Fluoro-3-bromomethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene

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Reaction Steps

To a solution of 10.0 g (45.4 mmol) of 2-fluoro-3-methyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene in 91 mL of carbon tetrachloride was added 8.48 g (47.7 mmol) of N-bromosuccinimide and 0.330 g (1.36 mmol) of benzoyl peroxide. The solution was heated at reflux for 35 minutes and then cooled to room temperature. 200 mL petroleum ether was added and the solution filtered and concentrated in vacuo to afford 16.9 g of 2-fluoro-3-bromomethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene which was used without further purification.

Provenance & Evidence