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Updated: Jul 12, 2025

Production of Disulfide-stabilized Transmembrane Peptide Complexes for Structural Studies
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Production of Disulfide-stabilized Transmembrane Peptide Complexes for Structural Studies

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分析网络结构和二硫化度对玻璃体特性影响的分析

Itxaso Azcune1, Edurne Elorza1, Alaitz Ruiz de Luzuriaga1

  • 1CIDETEC, Basque Research and Technology Alliance (BRTA), Paseo Miramón 196, 20014 Donostia-San Sebastian, Spain.

Polymers
|October 28, 2023
PubMed
概括

研究人员开发了五种玻璃制剂,以研究网络结构和二硫化物度如何影响动态和机械性能. 目标是找到一个优越的系统,与商业热固体相比,优化玻璃制剂的性能.

关键词:
硫化物度的二硫化物度脱硫化物交换的交换方式网络交叉连接密度 网络交叉连接密度玻璃玻璃器的使用方法

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Structure and Nomenclature of Thiols and Sulfides02:17

Structure and Nomenclature of Thiols and Sulfides

Thiols and sulfides are sulfur analogs of alcohols and ethers, respectively, where the sulfur atom takes the place of the oxygen atom. Thus, thiols are generally represented as RSH, where R is an alkyl substituent and —SH is the functional group. On the other hand, in sulfides, the central sulfur atom is bonded to two hydrocarbon groups on either side. Depending upon the type of group, sulfides can be either symmetrical or asymmetrical. Both thiols and sulfides display a bent geometry,...
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A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
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Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.
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Thiols are prepared using the hydrosulfide anion as a nucleophile in a nucleophilic substitution reaction with alkyl halides. For instance, bromobutane reacts with sodium hydrosulfide to give butanethiol.
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