Tributylvinyltin → 2-Benzoyl-4-(5-fluoro-2-vinylphenyl)-4-methylvaleric acid-methyl ester

Participants

Reaction Steps

A solution of 0.53 g (1.25 mmol) of 2-benzoyl-4-(2-bromo-5-fluorophenyl)-4-methylvaleric acid-methyl ester and 77 mg (0.07 mmol) of tetrakis(triphenylphosphine)palladium in 40 ml of toluene is refluxed with vinyl(tributyl)stannane for 8 hours. Then, it is concentrated by evaporation and purified by column chromatography on silica gel with hexane-ethyl acetate: 320 mg of product.

Provenance & Evidence