正丁基苯甲酸酯；
Propanoic acid, 2-hydroxy-, butyl ester;
羟基丙酸丁酯；丁基-2-羟基丙酸酯；
Under this conditions, the yield of ethyl esters was 85%, propyl ester 94% and butyl ester 92%.
上述条件下，尼泊金乙酯的产率为85% ，尼泊金丙酯的产率为94 % ，尼泊金丁酯的产率为92 %。
Objective:To search for a new method for synthesis of 9-fluorenylmethoxycarbonyl amino acid tert-butyl ester.
目的：寻找合成9-芴甲氧羰基氨基酸叔丁基酯的新方法。
Under this conditions, the yield of ethyl ester, propyl ester and butyl ester respectively is 87.5%, 89.2% and 91.1%.
上述条件下，尼泊金乙酯的产率为87.5% ，尼泊金丙酯的产率为89.2 % ，尼泊金丁酯的产率为91 .1 %。
Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl ester, and butyl ester, respectively.
上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
The invention discloses a catalyst used for preparing acrylic acid and butyl ester by the dehydration of butyl lactate and a preparation method thereof.
本发明公开了一种乳酸丁酯脱水制备丙烯酸及其丁酯催化剂的组成及制备 方法。
The method of using optically active phenylglycine butyl ester as resolution agent can obtain the higher yield, and it is easy to operate. So it is suitable for industrial production.
以手性苯甘氨酸丁酯为拆分剂的方法操作简单、收率较高，适于工业化生产。
The drift of droplets in spraying diluted 2,4-D butyl ester emulsion by Yun-5 aircraft mounted the GP-81 nozzle has been studied, and a mathematical model has also been set up in this paper.
通过田间试验研究，探索了装配GP—81喷头的运五型飞机喷洒2，4—D丁酯乳油稀释液的雾滴漂移状况，建立了有关数学模型。
Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.
研究了D,L -丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
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。
Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
系统研究了以TBP为萃取剂，乙酸丁酯、二甲苯、石油醚、 煤油为稀释剂，从高酸度盐酸溶液中萃取镓。
The target product from ester synthesis reaction is ethyl acetate or n-butyl acetate.
酯合成反应的目标产物为乙酸乙酯或乙酸正丁酯；
The Company produces purified Zhong propyl butyl-carbinol and ester product which totally occupies 80% of the international and domestic market share.
公司生产的精制仲辛醇及其酯类产品占国际国内80%的市场份额。
The Company produces purified Zhong propyl butyl-carbinol and ester product which totally occupies 80% of the international and domestic market share.
公司生产的精制仲辛醇及其酯类产品占国际国内80%的市场份额。
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