β-Ionone was synthesized by condensation reaction of acetone and α-cyclocitral which was prepared from citral through cyclization.The effects of main factors,such as the reaction temperature,reaction time and the concentration of NaOH solution which is used as catalyst,on the condensation reaction were investigated.The optimum reaction conditions found are as follows: 5% NaOH aqueous solution as catalyst,reaction temperature of 45℃ and reaction time of 6 h;Under above conditions,the β-ionone yield can be 71...
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