该结果对乙酰乙酸酯法合成假性紫罗兰酮的工业开发具有实用价值。
The results can be used to guide the engineering development for the synthesis of pseudoionone by this method.
提出了以高氯酸为催化剂，分析纯乙酸乙酯为介质，乙酰化法测定伯、仲醇的实验条件，实现了对经典方法的改进，简化了操作程。
The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.
为满足对乙酰氨基苯乙酸乙酯后续结晶分离工艺的需要，将分子蒸馏技术首次应用于同分异构体的预分离。
To meet the requirement of crystallization separation process for para-acetaminophenylacetate ethyl, molecular distillation was firstly used to separate the isomer.
研究了乙酰乙酸乙酯（AA）不同程度的水解对B-Z振荡反应的影响。
The influence of the hydrolysis of acetacetic ether (AA) on B-Z oscillating reaction is studied.
就双乙烯酮与异丙醇在不同催化剂下反应生成乙酰乙酸异丙酯的条件及结果进行了讨论，并提供了实验数据。
The conditions and results of the reaction of diketene with isopropyl alcohol in the presence of different catalysts are discussed and some experimental data are provided.
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。
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.
然后研究了三氟甲磺酸镱催化的胺和乙酸乙酯的反应，从而合成了乙酰苯胺类化合物。
Objective:To study the anti tumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.
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。
Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.
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.
目的探讨活体染料羧基荧光素乙酰乙酸琥珀酰亚胺酯（CFSE）标记兔眼虹膜色素上皮（IPE）细胞的可行性。
Objective To investigate the feasibility of labeling iris pigment epithelial(IPE)cells of rabbits with 5-(and 6-)carboxyfluorescein diacetate succinimidyl ester(CFSE).
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；
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；
The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;
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