反应详情

A mixture of 4-(5-bromo-2-thiophenesulfonyl)-1-[1-(tert-butoxycarbonyl)piperidin-4-ylmethyl]-2-piperazinone (200 mg), vinyltributyltin (365 mg), lithium chloride (50 mg), tetrakistriphenylphosphine palladium (50 mg) and dioxane (15 ml) was refluxedfor2hours. The reaction solutionwas concentrated, and the residue was purified with silica gel column chromatography (hexane:ethyl acetate=1:2) to give colorless solid of 1-[1-(tert-butoxycarbonyl)piperidin-4-ylmethyl]-4-(5-vinyl-2-thiophenesulfonyl)-2-piperazinone (209 mg).

1. customThe reaction solutionwas concentrated, and the residue was purified with silica gel column chromatography (hexane:ethyl acetate=1:2)