丙酸乙酯

研究了Ni-Cu催化剂的不同载体、反应温度、添加剂和C2H5I/C2H5OH比对乙醇羰化合成丙酸乙酯的影响。

Under atmospheric pressure and 300C , the effect of different carriers , reaction temperature , a bit of additive and different C2H5I / C2H5OH ratios on the carbonylation of ethanol to ethyl propionate over supported Ni-Cu catalyst was studied .

以草酸二乙酯、丙酸乙酯、四氢吡咯等为原料经消除、取代等一系列反应合成新型生理致凉剂2（5H）-MPF。

Through series of eliminating and substituting reactions , using diethyl oxalate , ethyl propionate , pyrrolidine etc. as starting material , we achieve the new coolant 2 ( 5H ) - MPF .

合成3-（N，N′-二苯肼基羰基）丙酸乙酯的反应操作方法简单，条件温和，对环境污染小；

The synthesis of 3 - ( N , N ' - diphenylhydrazinocarbonyl ) propionic acid ethyl ester had easy operation , simple artificial route and little environmental pollution .

以甲苯为原料，对甲苯磺酰乳酸乙酯为Friedel-Crafts烷基化试剂，N-溴代丁二酰亚胺为溴化剂，合成了洛索洛芬的关键中间体&2-（4-溴甲基苯基）丙酸乙酯。

Ethyl 2 - ( 4-bromomethylphenyl ) propionate , key intermediate of Loxoprofen , was synthesized from toluene via Friedel-Crafts reaction and bromination .

双金属Ni-Cu负载型催化剂用于乙醇羰化合成丙酸乙酯多核Nd-Al双金属配合物对丁二烯的聚合&Ⅱ.聚合的一般规律

Carbonylation of ethanol to ethyl propionate on supported bimetallic Ni-Cu catalysts Butadiene Polymerization Catalyzed by polynuclear Nd-AI bimetallic complex ⅱ . general feature of polymerization

AB1香精的主体溶剂为1,2-丙二醇，主要致香物质为2-羟基丙酸乙酯、薄荷醇、乙酸薄荷酯等。

The matrix of the tobacco flavor is 1,2-propylene glycol , and the primary aroma components in tobacco flavor are menthol , methyl acetate and propanoic acid , 2-hydroxy-ethyl ester and so on .

乙酰丙酸乙酯和芳醛加成反应区域选择性的研究

The Regioselective Study of Ethyl Levulinate and Benzaldehyde 's Nucleophilic Addition Reaction

2-[4-（羟基苯氧基）]丙酸乙酯的合成

Synthesis of ethyl-2 - [ 4 - ( hydroxyl phenoxy ) ] propionate

2-（4'-甲基苯磺酸基）丙酸乙酯的合成新方法

New Synthesis Techniques for 2 - ( 4 ' - Methyl benzenesulfonic acyloxy ) ethyl Propionate

78-02（硝硫氰胺巯丙酸乙酯）对动物心血管系统及肝肾的毒性研究

A Study of the Toxicity of 7802 to the Cardiovascular System , Liver and Kidney of the Animal

在酸解产物中5-氨基乙酰丙酸乙酯是影响5-氨基乙酰丙酸纯度的主要杂质。

It was found that the 5-aminolevulinic acid ethyl ester was the major impurity in the hydrolysis product .

以乙酰基吡嗪和异戊酸乙酯为原料，合成了2-异丙基-3-羟基-3-甲基-3-吡嗪丙酸乙酯（1）。

Ethyl 2-isopropyl-3-hydroxy-3-methyl-3-pyrazinylpropionate ( 1 ) was synthesized from ( 2-acetylpyrazine ) and ethyl isovalerate in 45 % yield .

本论文主要研究了以保护的1-（2-氨基乙酰基）环丙酸乙酯为底物的不对称催化氢化反应。

In this thesis , we studied the asymmetric hydrogenation of protected ethyl 1 - ( 2-aminoaceto ) cyclopropanecarboxylates .

含正丁醇的丙酸乙酯及丁酸乙酯二元物系超额焓的测定和关联

Measurement and Correlation of Excess Enthalpy of A Binary System of n-Butanol + Ethyl Propionate and n-Butanol + Ethyl Butyrate

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。

A simple TLC method for monitoring the synthetic process of 3-bromo-ethyl levulinate is reported , and the reaction condition is optimized .

报道了以糠醛为原料在温和条件下经两步合成出β-（2-呋喃）丙酸乙酯的方法。

Starting from furfural , a mild method for the synthesis of ethyl β ( 2 furyl ) propionate in two steps was reported .

对玉米秸秆为原料的生物质基乙酰丙酸乙酯进行了生命周期能耗、环境排放和经济性分析，针对相关环节提出了一定的建议。

Lifecycle energy consumption , environmental emission and economy of corn stalk based EL were analyzed , and several improvement to related units were given .

分别利用红曲酯化酶、特型大曲催化合成丙酸乙酯，研究酯化酶用量、丙酸浓度、乙醇浓度及温度酯化速率的影响。

Investigation on the influence of esterifying enzyme , propionic acid , ethanol and temperature , ethyl propionic acid was composited by Monascus sp and Te-type Daqu .

考察了这些络合物对乙醇羰基化制丙酸乙酯的催化性能，比较了这些不同配体对催化反应的影响。

The catalytic properties of these complexes for carbonylation of ethyl alcohol to ethyl propionate have been investigated and the effects of them on the catalytic reaction have been compared .

在Ni－Zn／C催化剂上对乙醇气相羰基化合成丙酸及丙酸乙酯的复杂反应体系，用脉冲色谱技术进行了研究。

The complex reaction system of ethanol vapor phase carbonylation to propionic acid and ethyl propionate on Ni Zn / C catalyst under atmospheric pressure was investigated with pulse chromatography .

采用活性炭上Ni、Cu负载量分别为5%、10%的催化剂对乙醇气相羰基化合成丙酸与丙酸乙酯催化性能进行试验。

Gas phase carbonylation of ethanol to propionic acid and ethyl propionate under normal atmosphere with nickel ( 5 % ) and copper ( 10 % ) catalyst over active charcoal was investigated .

双金属Ni-Cu催化剂用于催化乙醇羰化合成丙酸和丙酸乙酯

Carbonylation of ethanol to propionic acid and ethyl propionate on supported bimetallic Ni-Cu catalysts

对Ni-Cu双金属催化剂上乙醇气相羰基化合成丙酸及丙酸乙酯的工艺条件进行了研究。

The process conditions of preparing propionic acid and ethyl propionate by vapor phase carbonylation of Ethanol over Ni-Cu catalyst were investigated .

Ni-Cu/C催化剂气相羰基合成丙酸及丙酸乙酯

Synthesis of Propionic Acid and Ethyl Propionate with Ni-Cu / C Supported Catalyst for Gas Phase Carbonylation of Ethanol

以丙酸和无水乙醇为原料，对甲苯磺酸作催化剂合成了丙酸乙酯。

In the experiment , ethyl propionate was synthesized by reaction of propionic acid with absolute ethyl alcohol in the presence ofp-Toluene sulfonic acid .