方法以1，3-溴丙烷与乙酰乙酸乙酯为原料经环合、开环、溴代等反应合成。
METHODS The compound was synthesized through the reaction of cyclization, split, bromination et al and using 1,3-propyl bromide and ethyl acetoacetate as raw materials.
方法以1，3-溴丙烷与乙酰乙酸乙酯为原料经环合、开环、溴代等反应合成。
METHODS The compound was synthesized through the reaction of cyclization, split, bromination et al and using 1,3-propyl bromide and ethyl acetoacetate as raw materials.
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