ethoxide

简明释义

英[iːθˈɒksaɪd]美[iːˈθɑːksaɪd]

n. [有化] 乙醇盐；乙氧基金属

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.The results show that the vapour pressure and the mass loss rate of tantalum propoxide, tantalum butoxide and niobium ethoxide are suited for chemical vapor deposition.

结果表明，丙醇钽、丁醇钽和乙醇铌的蒸汽压大小能够满足化学气相沉积的要求，有足够的挥发速率。

4.The LiTaO3 thin film was chosen as infrared sensing film and prepared by a sol-gel process using lithium acetate and tantalum ethoxide as starting materials.

用醋酸锂和乙醇钽作为起始反应物，通过溶胶凝胶工艺生成了对红外敏感的钽酸锂薄膜，并详细讨论了基于钽酸锂薄膜的红外探测器件制备工艺。

5.Compared with the activity of sodium methoxide, sodium ethoxide, sodium isopropyl, sodium tert-butoxide, the best base catalyst was sodium tert-butoxide.

比较甲醇钠、乙醇钠、异丙醇钠和叔丁醇钠催化活性，叔丁醇钠为最佳的催化剂。

6.The reaction began with the addition of sodium ethoxide to the solution.

反应开始时向溶液中加入了氢氧化钠乙醇醚。

7.We used ethoxide as a strong base in our organic synthesis.

我们在有机合成中使用了乙醇醚作为强碱。

8.The formation of the ester was facilitated by the presence of ethoxide.

酯的形成在乙醇醚的存在下得到了促进。

9.To prepare the compound, we first generated sodium ethoxide from sodium metal and ethanol.

为了制备该化合物，我们首先通过金属钠和乙醇生成了氢氧化钠乙醇醚。

10.The ethoxide ion acts as a nucleophile in many reactions.

乙醇醚离子在许多反应中作为亲核试剂。

作文

In the field of chemistry, various compounds play crucial roles in reactions and processes, one of which is ethoxide. Ethoxide refers to the anion or functional group derived from ethanol, where the hydrogen atom of the hydroxyl group (-OH) is replaced by a metal or other cation. This compound is often represented as C2H5O−. Understanding ethoxide is essential for students and professionals in organic chemistry, as it serves as a key reagent in numerous chemical reactions. For instance, ethoxide can be formed when sodium is added to ethanol, resulting in sodium ethoxide (NaC2H5O). This reaction is significant because sodium ethoxide is a strong base and is frequently used in deprotonation reactions. Deprotonation is a process where an acid loses a proton (H+), leading to the formation of a conjugate base. The ability of ethoxide to act as a strong base enables chemists to synthesize various organic compounds, including alcohols, ethers, and even some polymers. Moreover, ethoxide is also utilized in the preparation of alkoxides, which are essential in organometallic chemistry. Alkoxides are compounds containing an alkyl group bonded to an oxygen atom. These compounds can react with metals to form metal alkoxides, which have applications in catalysis, materials science, and even in the production of pharmaceuticals. The versatility of ethoxide makes it a valuable component in many synthetic pathways. In addition to its role in organic synthesis, ethoxide has implications in industrial applications. For example, it is used in the production of biodiesel through transesterification processes, where triglycerides react with an alcohol in the presence of a catalyst to produce fatty acid methyl esters and glycerol. In this context, ethoxide acts as a catalyst, facilitating the reaction and improving yield efficiency. Furthermore, understanding the properties of ethoxide allows chemists to manipulate conditions to achieve desired outcomes in their experiments. The reactivity of ethoxide can be influenced by factors such as temperature, concentration, and the presence of other reagents. This knowledge is crucial when designing experiments and predicting the behavior of chemical systems. In conclusion, ethoxide is more than just a simple chemical compound; it is a fundamental building block in organic chemistry that facilitates a wide range of reactions and applications. Its significance extends from academic research to industrial processes, highlighting the importance of mastering such concepts in the study of chemistry. By understanding ethoxide, students and professionals alike can better appreciate the intricacies of chemical reactions and their practical applications in the real world.

乙氧基是化学领域中一种重要的化合物，参与各种反应和过程。乙氧基是指从乙醇中衍生出的阴离子或功能基团，其中羟基（-OH）中的氢原子被金属或其他阳离子替代。该化合物通常表示为C2H5O−。理解乙氧基对于有机化学的学生和专业人士至关重要，因为它在众多化学反应中充当关键试剂。 例如，当将钠添加到乙醇中时，可以形成乙氧基，从而生成钠乙氧基（NaC2H5O）。这个反应非常重要，因为钠乙氧基是一种强碱，常用于去质子化反应。去质子化是一个过程，其中酸失去一个质子（H+），导致共轭碱的形成。乙氧基作为强碱的能力使化学家能够合成各种有机化合物，包括醇、醚甚至一些聚合物。 此外，乙氧基还用于制备烷氧基化合物，这在有机金属化学中至关重要。烷氧基化合物是含有烷基与氧原子相连的化合物。这些化合物可以与金属反应形成金属烷氧基化合物，在催化、材料科学甚至制药生产中都有应用。乙氧基的多功能性使其成为许多合成途径中的宝贵成分。 除了在有机合成中的作用外，乙氧基在工业应用中也有重要意义。例如，它在通过转酯化过程生产生物柴油时被使用，其中甘油三酯与醇在催化剂的存在下反应，产生脂肪酸甲酯和甘油。在此背景下，乙氧基作为催化剂，促进反应并提高产率效率。 此外，了解乙氧基的性质使化学家能够操控条件，以在实验中实现预期的结果。乙氧基的反应性可以受到温度、浓度和其他试剂存在等因素的影响。这一知识在设计实验和预测化学系统行为时至关重要。 总之，乙氧基不仅仅是一个简单的化学化合物；它是有机化学中的基本构件，促进广泛的反应和应用。它的重要性从学术研究扩展到工业过程，突显了掌握这些概念在化学学习中的重要性。通过理解乙氧基，学生和专业人士可以更好地欣赏化学反应及其在现实世界中的实际应用的复杂性。