mercapto

简明释义

英[məˈkæptəʊ]美[mərˈkæptoʊ]

adj. 含巯基的，含氢硫基的

英英释义

单词用法

同义词

反义词

例句

1.It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯，然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。

2.The mechanism is probably that the consumption of cell mercapto lowers the activity of guanylate cyclase, thus weakening the slackness of blood vessel's smooth muscles.

其机制可能是，细胞巯基耗竭，使鸟苷酸环化酶活性降低，致血管平滑肌松弛作用减弱。

3.Choosing the specific depressor of mercapto-iodoacetamide (IAM) to destroy the geotrichum candidium of protoplast.

选用巯基酶的专一性抑制剂—碘乙酰氨对白地霉原生质体进行灭活处理。

4.Please do not use it onto wounded skin since it contains mercapto calcium acetates and intensive alkali, please flush the eyes with plenty of water in case of eye contact, and see a doctor.

本品含巯基乙酸钙，含强碱，切勿使用在破损皮肤上，避免接触眼睛，如不慎入眼，需用大量水冲洗，并找医生处治。

5.The conversion of -SH groups on the pore surface of the mercapto-functionalized mesoporous silicas with high hydrothermal stability to -SO3H gave rise to a series of solid acidic catalysts.

由高水热稳定的巯基官能化介孔硅基材料经氧化得到磺酸基官能化介孔固体酸催化剂。

6.Mercaptobenzothiazole or the mercapto-mix: Which should be in the standard series?

巯基苯并噻唑或巯基混合物：何为标准品系?。

7.The conversion of -SH groups on the pore surface of the mercapto-functionalized mesoporous silicas with high hydrothermal stability to -SO3H gave rise to a series of solid acidic catalysts.

由高水热稳定的巯基官能化介孔硅基材料经氧化得到磺酸基官能化介孔固体酸催化剂。

8.The fast curing polymer alloy putty at room temperature was developed by applying of Resorcinol epoxy resin and mercapto contained curing agent.

采用间苯二酚环氧树脂和含巯基的固化剂制成了室温快固金属修补剂。

9.The synthesis of the intermediate 2-mercapto-3-trifluoromethylpyridine which was highly active herbicide flazasulfuron was reported.

报道了超高效除草剂啶嘧磺隆的中间体2-巯基-3-三氟甲基吡啶的合成方法。

10.Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

11.The compound contains a mercapto group, which is responsible for its strong odor.

该化合物含有一个mercapto基团，这就是它强烈气味的原因。

12.Researchers are studying the effects of mercapto derivatives on drug delivery systems.

研究人员正在研究mercapto衍生物对药物递送系统的影响。

13.A mercapto compound was used to stabilize the formulation in the experiment.

在实验中使用了一种mercapto化合物来稳定配方。

14.In organic chemistry, mercapto compounds are often used as ligands in metal complexes.

在有机化学中，mercapto化合物通常用作金属络合物中的配体。

15.The mercapto functional group can increase the reactivity of certain molecules.

该mercapto官能团可以增加某些分子的反应性。

作文

The term mercapto refers to a functional group in organic chemistry that contains a sulfur atom bonded to a hydrogen atom. This group is often represented as -SH, and compounds containing this group are known as thiols or mercaptans. The presence of the mercapto group imparts unique properties to the molecules, such as strong odors and reactivity. For example, the well-known compound ethanethiol, which has a mercapto group, is recognized for its pungent smell, reminiscent of rotten eggs. This characteristic makes it useful in various applications, including as an odorant for natural gas, allowing people to detect leaks easily.In addition to their distinct smells, mercapto compounds play significant roles in biochemistry. Many proteins contain cysteine, an amino acid that features a mercapto group. The thiol group in cysteine can form disulfide bonds with other cysteine residues, which are crucial for stabilizing the three-dimensional structure of proteins. These disulfide bridges are essential in maintaining the integrity of many enzymes and structural proteins, highlighting the importance of the mercapto group in biological systems.Furthermore, mercapto compounds are involved in various industrial processes. They are used as intermediates in the synthesis of pharmaceuticals, agrochemicals, and polymers. Their ability to act as nucleophiles makes them valuable in chemical reactions, particularly in the formation of new carbon-sulfur bonds. This reactivity is exploited in developing new materials and compounds with desirable properties.Environmental chemistry also sees the significance of mercapto compounds. Some thiols are produced naturally by living organisms and play roles in detoxification processes. However, certain mercapto compounds can be toxic and contribute to environmental pollution. For instance, volatile organic compounds (VOCs) that include mercapto groups can lead to air quality issues, necessitating the monitoring and regulation of these substances.In conclusion, the mercapto group is an essential component in organic chemistry, biochemistry, and industrial applications. Its unique properties, including strong odors and reactivity, make mercapto compounds significant in various fields. Understanding the role of the mercapto group not only enhances our knowledge of chemical structures but also informs us about their practical applications and environmental impacts. As research continues, the potential of mercapto compounds in developing new technologies and understanding biological processes will likely expand, making it a vital area of study in chemistry and related disciplines.

“mercapto”一词指的是有机化学中的一个官能团，包含一个与氢原子结合的硫原子。这个官能团通常表示为-SH，含有该官能团的化合物被称为硫醇或巯基化合物。mercapto基团的存在赋予分子独特的性质，如强烈的气味和反应性。例如，众所周知的化合物乙硫醇（ethanethiol）就具有mercapto基团，以其刺鼻的气味而闻名，类似于腐烂鸡蛋的味道。这一特征使其在各种应用中非常有用，包括作为天然气的气味剂，帮助人们轻松检测泄漏。除了独特的气味外，mercapto化合物在生物化学中也发挥着重要作用。许多蛋白质中含有半胱氨酸，这是一种具有mercapto基团的氨基酸。半胱氨酸中的硫醇基团可以与其他半胱氨酸残基形成二硫键，这对稳定蛋白质的三维结构至关重要。这些二硫桥在维持许多酶和结构蛋白的完整性方面至关重要，突显了mercapto基团在生物系统中的重要性。此外，mercapto化合物还参与了各种工业过程。它们被用作药物、农用化学品和聚合物合成中的中间体。它们作为亲核试剂的能力使其在化学反应中具有价值，特别是在新碳-硫键的形成中。这种反应性被利用于开发具有理想属性的新材料和化合物。环境化学同样看到了mercapto化合物的重要性。一些硫醇是由生物体自然产生的，并在解毒过程中发挥作用。然而，某些mercapto化合物可能是有毒的，并会导致环境污染。例如，包含mercapto基团的挥发性有机化合物（VOCs）可能导致空气质量问题，因此需要监测和规范这些物质。总之，mercapto基团是有机化学、生物化学和工业应用中的一个重要组成部分。其独特的性质，包括强烈的气味和反应性，使mercapto化合物在各个领域中都具有重要意义。理解mercapto基团的作用不仅增强了我们对化学结构的认识，也使我们了解其实际应用和环境影响。随着研究的继续，mercapto化合物在开发新技术和理解生物过程中的潜力可能会进一步扩大，使其成为化学及相关学科中的一个重要研究领域。