methoxy

简明释义

英[meˈθɒksi]美[məˈθɑːksi]

adj. 含甲氧基的（等于 methoxyl）

n. 甲氧基

英英释义

单词用法

同义词

反义词

例句

1.This article introduces a new process of synthesizing vanillin from 2-methoxy-4-methyl benzenol, which is abstracted from pine creosote oil, via one-step oxygen method.

本文以松树杂酚油为原料提取4 甲基愈创木酚，然后利用4 甲基愈创木酚一步氧化合成香兰素。

2.In this paper the pK values of both commonly commercial UV-absorbers-2- hydroxy-4-methoxy-benzophenone (UV-9) and 2,4-dihydroxy-benzophenone (UV-0) at ground and excited states have been determined.

本工作对两种常见的商品紫外吸收剂——2-羟基-4-甲氧基二苯甲酮（UV-9）和2.4-二羟基二苯甲酮（UV-0）在基态和激发态时的离解常数进行了测定。

3.The reaction conditions of synthesizing 1-methoxy-2-propanol by solid base catalyst were investigated.

考察了固体碱催化剂上2—丙基甲醚合成反应的工艺条件。

4.Therefore, 7-methoxy flavone and its derivatives can be promising antitumor lead compounds.

因此，7 -甲氧基黄酮及衍生物很有可能成为新型结构的抗癌先导化合物。

5.We mainly study stable molecular geometries and atomic charge distributing of 5-methoxy indole 5-methyl indole and 5-chlorin indole.

着重研究5 -甲氧基吲哚、5 -甲基吲哚和5 -氯吲哚的稳定几何构型和分子中各原子上的电荷分布。

6.The in vitro biotransformation of 6 methoxy butyl phthalide (MBP) by phenobarbital induced rat liver microsomes was investigated by GC/MS and GC/MS with TMS derivatization.

报道了用GC／MS方法及衍生化技术研究6甲氧基正丁苯酞（MBP）在大鼠肝微粒体中的代谢转化结果。

7.Abstract: the synthesis and anti-breast cancer activity of 7-methoxy flavone and its derivatives were studied.

摘要：本文对7 -甲氧基黄酮及其衍生物的合成与抗乳腺癌细胞的活性进行了研究。

8.A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.

阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下，通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。

9.Pharmaceuticals which has methoxy can degrade to yield methanol if the headspace oven temperature is too high.

含甲氧基的药品在较高顶空温度下降解产生甲醇。

10.Researchers discovered that the methoxy substituent significantly affects the biological activity of the molecule.

研究人员发现，甲氧基取代基显著影响分子的生物活性。

11.The compound contains a methoxy group which enhances its solubility in organic solvents.

该化合物含有一个甲氧基基团，这增强了它在有机溶剂中的溶解度。

12.The presence of a methoxy group can increase the lipophilicity of the compound.

一个甲氧基基团的存在可以增加化合物的亲脂性。

13.In the synthesis of pharmaceuticals, methoxy groups are often introduced to improve drug efficacy.

在药物合成中，常常引入甲氧基基团以提高药物的功效。

14.Analytical techniques such as NMR can identify the methoxy groups in a compound.

核磁共振等分析技术可以识别化合物中的甲氧基基团。

作文

The term methoxy refers to a functional group in organic chemistry that consists of a methanol molecule minus one hydrogen atom. This group is commonly found in various chemical compounds and plays a significant role in the structure and reactivity of these substances. Understanding the methoxy group is essential for chemists, especially those working in fields such as pharmaceuticals, materials science, and biochemistry. In organic synthesis, the presence of a methoxy group can influence the physical and chemical properties of a molecule. For instance, compounds containing a methoxy group often exhibit increased solubility in organic solvents, which can be advantageous during the synthesis process. Additionally, the methoxy group can serve as a protective group for alcohols, allowing chemists to selectively modify other parts of a molecule without affecting the methoxy group itself. One notable example of a compound that contains a methoxy group is anisole, which is an aromatic ether with the formula C6H5OCH3. Anisole is widely used as a solvent and as a starting material in various chemical reactions. The methoxy group in anisole contributes to its unique properties, making it a valuable compound in organic chemistry. Furthermore, the methoxy group is often involved in various reactions, such as nucleophilic substitution and electrophilic aromatic substitution. In nucleophilic substitution reactions, the methoxy group can be replaced by other nucleophiles, leading to the formation of new compounds. This reactivity is particularly useful in the synthesis of pharmaceuticals, where specific modifications to the molecular structure are required to enhance biological activity. In the context of medicinal chemistry, compounds with methoxy groups have been studied for their potential therapeutic effects. For example, certain methoxy-substituted phenolic compounds have shown promising anti-inflammatory and antioxidant properties. Researchers are continually exploring the biological activities of these compounds, hoping to discover new drugs that can improve health outcomes. Moreover, the methoxy group can also affect the electronic properties of a molecule. By donating electron density through resonance, the methoxy group can stabilize positive charges in certain chemical environments, influencing reaction pathways and product distribution. This aspect is crucial for understanding how different substituents on a benzene ring can alter the reactivity of aromatic compounds. In summary, the methoxy group is a fundamental component in organic chemistry that significantly impacts the properties and reactivity of various compounds. Its presence can enhance solubility, facilitate chemical reactions, and contribute to the biological activity of molecules. As researchers continue to explore the vast potential of methoxy-containing compounds, we can anticipate exciting developments in the fields of chemistry and medicine. Understanding the intricacies of the methoxy group will undoubtedly remain a vital area of study for scientists aiming to innovate and improve existing chemical processes and products.

“methoxy”一词指的是有机化学中的一个官能团，它由一个去掉一个氢原子的甲醇分子组成。这个官能团常见于各种化合物中，并在这些物质的结构和反应性中扮演着重要角色。理解methoxy基对于化学家来说至关重要，尤其是那些从事制药、材料科学和生物化学等领域的化学家。在有机合成中，methoxy基的存在可以影响分子的物理和化学性质。例如，含有methoxy基的化合物通常在有机溶剂中具有更高的溶解度，这在合成过程中可能是有利的。此外，methoxy基可以作为醇的保护基，使化学家能够选择性地修改分子的其他部分，而不影响methoxy基本身。一个包含methoxy基的显著例子是苯甲醚，其化学式为C6H5OCH3。苯甲醚广泛用作溶剂和各种化学反应的起始材料。苯甲醚中的methoxy基使其具备独特的性质，使其成为有机化学中一种有价值的化合物。此外，methoxy基通常参与各种反应，例如亲核取代反应和电亲核芳香取代反应。在亲核取代反应中，methoxy基可以被其他亲核试剂取代，导致新化合物的形成。这种反应性在制药合成中尤为有用，因为需要对分子结构进行特定修改以增强生物活性。在药物化学的背景下，含有methoxy基的化合物因其潜在的治疗效果而受到研究。例如，某些methoxy取代的酚类化合物显示出良好的抗炎和抗氧化特性。研究人员不断探索这些化合物的生物活性，希望发现能够改善健康结果的新药物。此外，methoxy基还可以影响分子的电子性质。通过共振捐赠电子密度，methoxy基可以在某些化学环境中稳定正电荷，从而影响反应途径和产物分布。这一方面对于理解苯环上不同取代基如何改变芳香化合物的反应性至关重要。总之，methoxy基是有机化学中的一个基本组成部分，对各种化合物的性质和反应性产生重大影响。它的存在可以提高溶解度，促进化学反应，并对分子的生物活性做出贡献。随着研究人员继续探索含有methoxy基化合物的广阔潜力，我们可以期待化学和医学领域的激动人心的发展。理解methoxy基的复杂性无疑将仍然是科学家们努力创新和改善现有化学过程及产品的重要研究领域。