Radix Scutellariae was examined by Silca gel-G, the mobile phase was ethyl acetate-butanone-formic acid-water (5:3:1:1).
黄芩：采用硅胶G板，以醋酸乙酯-丁酮-甲酸-水（5：3：1：1）为展开剂，显色剂为1％三氯化铁乙醇溶液。
We have carried out preliminary biological evaluation and screened out indole derivative ethyl 6-amino-2-phenyl-1H-indole-3-carboxy -late that possess good bioactivity.
我们进行了初步的生物活性试验，筛选出了具有良好抗癌活性的吲哚类化合物2-苯基-3-乙氧羰基-6-氨基吲哚。
The synthesis of ethyl methyl carbonate(MEC) using the transesterification of ethanol and dimethyl carbonate(DMC) catalyzed by K 2CO 3 under certain temperature was studied.
以碳酸钾为催化剂，在一定温度下乙醇和碳酸二甲酯进行酯交换反应合成了碳酸甲乙酯。
Synthesis of coumarin-3-carboxylic acid through sodium ethoxide catalyzed synthesis of coumarin -3-carboxylic acid ethyl ester, followed by saponification, acidolysis cyclization was studied.
实验以水杨醛、丙二酸二乙酯为原料，乙醇钠为催化剂催化合成香豆素- 3 -羧酸乙酯，再经皂化、酸解环合合成香豆素- 3 -羧酸。
A simple TLC method for monitoring the synthetic process of 3-bromo-ethyl levulinate is reported, and the reaction condition is optimized.
用薄层色谱法监测溴素溴化乙酰丙酸乙酯生成3-溴乙酰丙酸乙酯的反应过程，优化了反应条件，方法简单，快速，准确。
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；
Aim to design and synthesize a series of ethyl 7-hydroxyquinoline-3-carboxylate derivatives, and to evaluate their anti-HBV activities in vitro.
目的设计合成一系列7 -羟基喹啉- 3 -羧酸乙酯类化合物，并对其抗乙肝病毒活性进行初步评价。
The electrochemical properties of three new kinds of liquid electrolytes, 1-ethyl-3-methyl imidazolium tetrafluoroborate(EMI.
研究了以一种咪唑类离子液体1-乙基-3-甲基咪唑四氟硼酸盐（EMI。
It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.
本文研究了以丙酰丙酮酸乙酯、 硫酸二胺和硫酸钾为原料合成吡螨胺中间体3-乙基-5- 吡唑羧酸乙酯的方法。
The electrodeposition of metallic Co from a 1-ethyl-3-methylimidazolium chloride (EMIC) ionic liquid containing ethylene glycol (EG) and CoCl2 was investigated on copper substrates.
在含有氯化钴的室温离子液体氯化1-甲基-3-乙基咪唑（EMIC）和乙二醇（EG）体系中研究了金属钴的电沉积。
Starkrimson fruit aroma comprised butyl acetate, 3-methyl-butyl acetate, propyl acetate, ethyl acetate, 1-butanol, 1-propanol, 2-methyl-butanol and ethyl 2-methyl-butanoate.
乙酸丁酯、乙酸3 -甲基丁酯、乙酸丙酯、乙酸乙酯、1 -丙醇、1 -丁醇、2 -甲基丁醇和2 -甲基丁酸乙酯为新红星苹果果实的主要香气成分。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
研究2-乙基-3-羟基-6-苯硫基-4（1H）-吡啶酮（HPP）对羟自由基和超氧阴离子自由基的影响。
3-oxo-hexanoic acid ethyl ester;
丁酰乙酸乙酯； 3-氧代己酸乙酯；
3-oxo-hexanoic acid ethyl ester;
丁酰乙酸乙酯； 3-氧代己酸乙酯；
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