反应详情

The reaction of 3-n-butyl-2-cyclohexen-1-one (3.0 g, 19.7 mmoles) in 10 ml of THF with lithium diisopropylamide (2.17 mmoles) followed by ethyl bromoacetate (3.96 g, 23.6 mmoles) in 10 ml of THF, at -78° C. under argon, was conducted in a similar manner to the synthesis of 6-(carbethoxymethyl)-3-methyl-2-cyclohexen-1-one described in Example II, and a yield of 3.92 g (83%) of 6-(carbethoxymethyl)-3-n-butyl-2-cyclohexen-1-one was obtained.