alkoxide

简明释义

英[ælˈkɒksaɪd]美[ælˈkɑːksaɪd]

n. [有化] 醇盐；酚盐

英英释义

单词用法

同义词

反义词

例句

1.Then, disclosed is a method for separating and collecting the active component from the alkyl tin alkoxide catalyst composition as a useful dialkyl tin dialkoxide.

本发明提供由该烃 基锡醇盐催化剂组合物中将活性成分以有用的二烃基锡二醇盐的形式进 行分离回收的方法。

2.In this dissertation, the liquid alkoxide at room temperature is synthesized using alcohol and aluminum as raw materials.

本文采用醇与铝反应合成了室温下呈液态的醇盐。

3.The results have been ex-plained in terms of hydrolysis-condensation reaction of alkoxide.

根据醇盐水解聚结的反应机理对以上结果作了解释。

4.By controlling the hydration of alkoxide, and with n-butanol azeotropic distillation and ethanol rinsing methods, the preparation process of superfine titania powder was investigated in detail.

利用控制醇盐水解的方法，分别采用正丁醇共沸蒸馏和乙醇洗涤这两种工艺，详细研究了超细二氧化钛粉体的制备过程。

5.By controlling the hydration of alkoxide, and with n-butanol azeotropic distillation and ethanol rinsing methods, the preparation process of superfine titania powder was investigated in detail.

利用控制醇盐水解的方法，分别采用正丁醇共沸蒸馏和乙醇洗涤这两种工艺，详细研究了超细二氧化钛粉体的制备过程。

6.Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.

醛类和其他的羰基化合物，由于烷氧基离子的稳定性，最容易通过本质上是负离子的机理进行聚合。

7.Lead Zirconate Titanate ceramic material has been prepared by sol-gel method with Titanium butoxide, Zirconium alkoxide and anhydrous lead acetate.

以丁醇钛、乙醇锆、醋酸铅为原料，采用溶胶-凝胶新工艺，成功地制备出锆钛酸铅陶瓷材料。

8.The ESR spectra of chemical reactions of gentisic acid in sodium alkoxide-alcohol were different from those in sodium hydroxide aqueous solution.

龙胆酸在氢氧化钠水溶液中的反应，不仅有氧化还有取代反应，氧化之后紧接着进行取代反应，本文都给予了解释。

9.A metal-oxide secondary emission film can be deposited on glass, ceramic or semiconductor substrates by thermal decomposition of an organo-metal alkoxide.

利用某些有机烷氧基金属化合物的热分解，可在玻璃、金属、陶瓷或半导体基片上沉积相应的金属氧化物次级发射膜。

10.The reaction between sodium and alcohol produces a stable alkoxide 烷氧化物 that can be used in various organic syntheses.

钠与醇的反应生成一种稳定的alkoxide 烷氧化物，可用于各种有机合成。

11.In the preparation of biodiesel, the formation of alkoxide 烷氧化物 is a crucial step for transesterification.

在生物柴油的制备中，alkoxide 烷氧化物的形成是酯交换反应的关键步骤。

12.Lithium alkoxide 烷氧化物 can be used as a strong base in organic chemistry reactions.

锂alkoxide 烷氧化物可以作为有机化学反应中的强碱。

13.The synthesis of certain pharmaceuticals involves the use of alkoxide 烷氧化物 intermediates.

某些药物的合成涉及使用alkoxide 烷氧化物中间体。

14.When mixed with water, alkoxide 烷氧化物 can hydrolyze to form alcohol and other byproducts.

与水混合时，alkoxide 烷氧化物可以水解生成醇和其他副产品。

作文

Alkoxides are fascinating compounds that play a crucial role in various fields of chemistry and materials science. An alkoxide is defined as a compound derived from an alcohol by replacing the hydroxyl group (-OH) with an alkoxide group (R-O-), where R represents an alkyl group. This transformation not only alters the chemical properties of the original alcohol but also opens up new avenues for synthetic applications. Understanding alkoxides is essential for chemists, especially those involved in organic synthesis and catalysis. One of the most notable aspects of alkoxides is their reactivity. Due to the presence of the alkoxide ion, these compounds can act as strong nucleophiles. This means they can readily donate electrons to electron-deficient species, making them valuable in various reactions, such as nucleophilic substitution and addition reactions. For instance, when alkoxides react with carbonyl compounds, they can form alcohols or other functional groups through nucleophilic attack. This property is widely exploited in organic synthesis to create complex molecules from simpler ones. Moreover, alkoxides are not only limited to organic chemistry; they also have significant applications in inorganic chemistry. They are often used as precursors in the synthesis of metal alkoxides, which are key components in sol-gel processes for producing ceramics and thin films. Metal alkoxides, such as titanium isopropoxide or zirconium propoxide, serve as sources of metal oxides, which are essential in the fabrication of advanced materials, including catalysts, sensors, and electronic devices. In addition to their synthetic utility, alkoxides also play a critical role in the development of new technologies. For example, in the field of nanotechnology, alkoxides are utilized to create nanoparticles with specific properties. By controlling the reaction conditions and the choice of alkoxide, researchers can tailor the size, shape, and surface characteristics of the resulting nanoparticles, leading to applications in drug delivery, imaging, and diagnostics. Another interesting application of alkoxides is in the production of biodiesel. During the transesterification process, triglycerides react with alkoxides derived from alcohols to produce fatty acid methyl esters (biodiesel) and glycerol. This reaction highlights the importance of alkoxides in sustainable energy solutions, demonstrating how they contribute to the development of renewable fuels. Despite their many advantages, working with alkoxides requires careful handling due to their reactivity and potential hazards. They can be sensitive to moisture and air, which may lead to undesirable side reactions. Therefore, it is essential for chemists to employ proper techniques and safety measures when synthesizing and using alkoxides in their experiments. In conclusion, alkoxides are versatile compounds that significantly impact both organic and inorganic chemistry. Their unique properties and reactivity make them invaluable tools for synthetic chemists and materials scientists alike. As research continues to advance, the applications of alkoxides will likely expand, paving the way for innovative solutions in various scientific fields. Understanding the chemistry of alkoxides is not just an academic pursuit; it is essential for driving progress in technology and sustainability. With their broad range of applications, alkoxides will undoubtedly remain a topic of interest in the chemistry community for years to come.

醇盐是一些令人着迷的化合物，它们在化学和材料科学的各个领域中发挥着至关重要的作用。醇盐被定义为一种由醇衍生的化合物，其羟基（-OH）被醇盐基（R-O-）取代，其中R代表烷基。这种转变不仅改变了原始醇的化学性质，还为合成应用开辟了新的途径。理解醇盐对于化学家尤其重要，特别是那些参与有机合成和催化的人。 醇盐最显著的特点之一是它们的反应性。由于存在醇盐离子，这些化合物可以作为强亲核试剂。这意味着它们可以很容易地将电子捐赠给缺电子的物质，使它们在各种反应中变得有价值，例如亲核取代和加成反应。例如，当醇盐与羰基化合物反应时，它们可以通过亲核攻击形成醇或其他功能团。这一特性在有机合成中被广泛利用，以从简单的分子合成复杂的分子。 此外，醇盐不仅限于有机化学；它们在无机化学中也具有重要应用。它们通常用作金属醇盐合成的前体，而金属醇盐是溶胶-凝胶工艺中生产陶瓷和薄膜的关键成分。金属醇盐，如异丙醇钛或丙酮锆，是金属氧化物的来源，这些金属氧化物在催化剂、传感器和电子设备等先进材料的制造中至关重要。 除了合成用途外，醇盐在新技术的发展中也发挥着重要作用。例如，在纳米技术领域，醇盐被用于创建具有特定性质的纳米颗粒。通过控制反应条件和醇盐的选择，研究人员可以定制所产生的纳米颗粒的大小、形状和表面特性，从而导致在药物传递、成像和诊断中的应用。 醇盐的另一个有趣应用是在生物柴油的生产中。在转酯化过程中，甘油三酯与由醇衍生的醇盐反应，生成脂肪酸甲酯（生物柴油）和甘油。这一反应突显了醇盐在可持续能源解决方案中的重要性，展示了它们如何促进可再生燃料的发展。 尽管有许多优点，但处理醇盐需要小心，因为它们的反应性和潜在危害。它们可能对湿气和空气敏感，这可能导致不良的副反应。因此，化学家在合成和使用醇盐时必须采用适当的技术和安全措施。 总之，醇盐是多功能的化合物，对有机和无机化学都有重要影响。它们独特的性质和反应性使它们成为合成化学家和材料科学家不可或缺的工具。随着研究的不断推进，醇盐的应用可能会扩大，为各个科学领域提供创新解决方案。理解醇盐的化学不仅仅是学术追求；它对推动技术和可持续性进步至关重要。凭借其广泛的应用，醇盐无疑将在未来几年继续吸引化学界的关注。