acetoacetate
英[æsɪtəˈæsɪteɪt]
美[æsɪtəˈæsɪteɪt]
双语例句
- 1. It can be broken down to yield acetoacetate.
- 它可以被分解成乙酰乙酸。
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- 2. The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;
- 西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料，经活性亚甲基烃化、成肟和水解3步反应得7-氯-2-氧庚酸乙酯；
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- 3. Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.
- 以乙酰乙酸叔丁酯为原料，经过肟化、醚化、氯代酯解反应合成了头孢克肟开环侧链酸。
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- 4. 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。
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- 5. A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.
- 以二甲氧基乙酸甲酷和乙酸甲酷为主要原料，经甲醇钠催化制备二甲氧基乙酞乙酸甲醋。
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- 6. Gas chromatography(GC) as a chemical reactor, methyl acetoacetate, ethyl acetoacetate, and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers.
- 在气相色谱上，乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下，发生酯交换反应。
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- 7. Gas chromatography(GC) as a chemical reactor, methyl acetoacetate, ethyl acetoacetate, and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers.
- 在气相色谱上，乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下，发生酯交换反应。
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