A new type of apple ester-B is synthesized by condensation reaction of ethyl acetoacetate and 1,2- propanediol,Using Fe 3+ -UR as catatlyst.

 
  • 以Fe3 + - UR 为催化剂,催化乙酰乙酸乙酯和1 ,2 - 丙二醇缩合反应合成了新型香料苹果酯- B。
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