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- Ethyl chloroformate reacted with both the hydroxy group and the carboxy group of the 17 position. 用氯甲酸乙酯将17位醇羟基和羧羟基同时酰化;
- A novel fluorescence and ultraviolet labelling reagent, 2 (9 carbazole) ethyl chloroformate, has been utilized as pre column derivatization reagent for 15 aliphatic alcohols. 采用新型的紫外、荧光衍生试剂咔唑9乙基氯甲酸酯,对15种脂肪醇柱前衍生的反应条件,包括反应温度、催化剂的选择、衍生化时间等,进行了考察。
- Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48.54%. 在碱性条件下;用氨基乙酸与二硫化碳、氯甲酸乙酯反应合成了异硫氰基乙酸乙酯;总收率为48.;54%25。
- Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48. 在碱性条件下,用氨基乙酸与二硫化碳、氯甲酸乙酯反应合成了异硫氰基乙酸乙酯,总收率为48。
- Analysis of Ethyl Cyanoformate and Ethyl Chloroformate by Gas Chromatography 氰甲酸乙酯和氯甲酸乙酯的气相色谱分析
- Keywords Carbazole） ethyl chloroformate;high performance liquid chromatography;pre column derivatization;alcohols; 咔唑-9-乙基氯甲酸酯;高效液相色谱;柱前衍生;脂肪醇;
- Keywords tauroursodeoxycholic acid;ursodeoxycholic acid;ethyl chloroformate;taurine;synthesis; 牛磺熊去氧胆酸;熊去氧胆酸;氯甲酸乙酯;牛磺酸;合成;
- ethyl chloroformate 氯甲酸乙酯
- Titrate some chloroform and observe. 滴些氯仿观察。
- To introduce the ethyl group into(a compound). 使乙基化把乙基引入（一化合物）
- The chloroform extract was the most active. 在各提取物中氯仿提取物活性最强。
- Enough stuff here to chloroform you. 这里有的是足以使你神志昏迷的东西。
- No bandages, no salves, no quinine, no chloroform. 没有绷带，没有药膏，没有奎宁，没有麻醉剂。
- It was soon replaced by chloroform. 不久它被氯仿所代替。
- Main methylene chloride and chloroform sales. 主营二氯甲烷和三氯甲烷的销售。
- Dr. Meade:No chloroform! No bandages! 米笛大夫：没麻醉药！没纱带！
- The water-extracted pu-erh tea and black tea were separated by the order of chloroform,ethyl acetate,and n-butanol. 采用氯仿,乙酸乙酯,正丁醇等溶剂,分步萃取普洱茶及红茶水提物。
- Ethyl acetate(71. 41b)was added to the slurry in the vessel. 把醋酸乙酯71.;4磅加到容器中的浆液内。
- Ethyl lactate was synthesized with sodium bisulfate. 采用硫酸氢钠为催化剂合成乳酸乙酯。
- An alcoholic liquor distilled from grain, such as corn, rye, or barley, and containing approximately40 to50 percent ethyl alcohol by volume. 威士忌酒一种从谷类如玉米、黑麦或大麦等提炼出来含酒精液体，按容量包含约40％至50％的乙醇
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
