iodination

简明释义

英[ˌaɪəˈdeɪnəʃən]美[ˌaɪəˈdeɪnəʃən]

n. [化学] 碘化

英英释义

单词用法

同义词

反义词

例句

1.Nitroxynil was also prepared from p -hydroxybenzaldehyde by nitration , cyanation and iodination of the product.

由对羟基苯甲醛经过硝化、腈化和碘化反应也合成了硝碘酚腈。

2.Thyroxine Binding Globulin (TBG), Rat, iodination grade.

甲状腺素结合球蛋白(TBG)，大鼠，碘化级。

3.After being born even if relay ripe iodination, also the hard rectification inborn result in of the mind is lowly.

出生后即使补充足够的碘，也难以纠正先天造成的智力低下。

4.The familiar food includes amount of iodination by sea tangle the most abundant, is the pregnant woman's optimal revamp iodination food.

常见的食物以海带的含碘量最丰富，是孕妇最理想的补碘食物。

5.In addition to taking iodination salt, had better take into to add rich iodination food from the food, especially lack an iodination region.

除了摄取碘盐以外，最好从食物中加以补充富碘食物，特别是缺碘地区。

6.In addition to taking iodination salt, had better take into to add rich iodination food from the food, especially lack an iodination region.

除了摄取碘盐以外，最好从食物中加以补充富碘食物，特别是缺碘地区。

7.Researchers are studying the effects of iodination on the reactivity of aromatic compounds.

研究人员正在研究碘化对芳香族化合物反应性的影响。

8.The iodination reaction requires specific conditions to proceed efficiently.

该碘化反应需要特定条件才能高效进行。

9.The process of iodination is crucial in the synthesis of certain pharmaceuticals.

在某些药物合成中，碘化过程至关重要。

10.In organic chemistry, iodination can introduce iodine into organic compounds.

在有机化学中，碘化可以将碘引入有机化合物中。

11.The iodination of tyrosine is an essential step in the production of thyroid hormones.

酪氨酸的碘化是甲状腺激素生产中的关键步骤。

作文

Iodination is a crucial chemical reaction in organic chemistry, particularly in the field of medicinal chemistry. This process involves the introduction of iodine into an organic compound, which can significantly alter the properties and reactivity of the molecule. The importance of iodination (碘化) cannot be overstated, as it plays a vital role in the synthesis of various pharmaceuticals and agrochemicals. For instance, many thyroid hormones, such as thyroxine, are iodine-containing compounds that are essential for regulating metabolism in living organisms. Thus, understanding iodination (碘化) is fundamental for chemists who aim to develop new drugs and treatments.The mechanism of iodination (碘化) typically involves electrophilic substitution, where an iodine atom replaces a hydrogen atom in an aromatic ring. This reaction can be facilitated by the use of iodine monochloride or other iodine sources in the presence of a Lewis acid catalyst. The regioselectivity of iodination (碘化) is influenced by the electronic properties of substituents already present on the aromatic ring. For example, electron-donating groups tend to direct the iodination (碘化) to the ortho and para positions, while electron-withdrawing groups may direct it to the meta position. This aspect of iodination (碘化) is particularly important in synthetic chemistry, as it allows chemists to design molecules with specific properties by controlling the position of the iodine atom.In addition to its applications in drug development, iodination (碘化) also has significant implications in the field of imaging and diagnostics. Radiolabeled iodine isotopes, such as iodine-123 and iodine-131, are commonly used in medical imaging techniques, including single-photon emission computed tomography (SPECT) and positron emission tomography (PET). These isotopes can be introduced into biomolecules through iodination (碘化), allowing for the visualization of biological processes in real-time. This capability is invaluable for diagnosing conditions such as cancer and monitoring the effectiveness of treatments.Moreover, iodination (碘化) is not limited to organic compounds; it also plays a role in the synthesis of inorganic iodides, which have applications in various industries. For example, iodinated compounds are used in the production of contrast agents for X-ray imaging, as they enhance the visibility of internal structures in the body. The versatility of iodination (碘化) extends beyond the laboratory, impacting fields ranging from agriculture to environmental science.In conclusion, iodination (碘化) is a fundamental reaction in organic chemistry with far-reaching implications in medicine, diagnostics, and industry. Its ability to modify molecular properties makes it an essential tool for chemists and researchers. As we continue to explore the potential of iodination (碘化) in various applications, it is clear that this process will remain a cornerstone of chemical research and development. Understanding the mechanisms and outcomes of iodination (碘化) will undoubtedly lead to advancements in our ability to create effective medications, improve diagnostic techniques, and innovate in other scientific fields.

碘化是有机化学中一种至关重要的化学反应，特别是在药物化学领域。该过程涉及将碘引入有机化合物中，这可以显著改变分子的性质和反应性。碘化（iodination）的重要性不容小觑，因为它在各种药物和农用化学品的合成中发挥着重要作用。例如，许多甲状腺激素，如甲状腺素，都是含碘化合物，对于调节生物体的新陈代谢至关重要。因此，理解碘化（iodination）对那些旨在开发新药物和治疗方案的化学家来说是基础性的。碘化（iodination）的机制通常涉及电亲核取代，其中一个碘原子替代芳香环中的一个氢原子。该反应可以通过在路易斯酸催化剂存在下使用单氯化碘或其他碘源来促进。碘化（iodination）的区域选择性受到芳香环上已存在的取代基的电子性质的影响。例如，电子供给基团往往将碘化（iodination）引导到邻位和对位，而电子吸引基团可能将其引导到间位。这一碘化（iodination）的特性在合成化学中尤为重要，因为它使化学家能够通过控制碘原子的位置来设计具有特定性质的分子。除了在药物开发中的应用外，碘化（iodination）在成像和诊断领域也具有重要意义。放射性标记的碘同位素，如碘-123和碘-131，常用于医学成像技术，包括单光子发射计算机断层扫描（SPECT）和正电子发射断层扫描（PET）。这些同位素可以通过碘化（iodination）引入生物分子，从而允许实时可视化生物过程。这种能力对于诊断癌症等疾病和监测治疗效果是无价的。此外，碘化（iodination）不仅限于有机化合物；它还在无机碘化物的合成中发挥作用，这在各个行业中都有应用。例如，碘化合物用于生产X射线成像的对比剂，因为它们增强了体内结构的可见性。碘化（iodination）的多功能性超越了实验室，对农业、环境科学等领域产生了影响。总之，碘化（iodination）是有机化学中的一种基本反应，对医学、诊断和工业有着深远的影响。它修改分子性质的能力使其成为化学家和研究人员的重要工具。随着我们继续探索碘化（iodination）在各种应用中的潜力，可以清楚地看到这一过程将继续成为化学研究和开发的基石。理解碘化（iodination）的机制和结果无疑将推动我们创造有效药物、改善诊断技术以及在其他科学领域创新的能力。