METHODS We used ethyl acetoacetate as the starting material to prepare sodium houttuyfonate successfully via a three-step procedure resulting in the total yield of 30%.

 
  • 方法以乙酰乙酸乙酯為原料,經(jīng)取代、堿水解及脫羧制得關(guān)鍵中間體甲壬酮;
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