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相关概念视频

Aryldiazonium Salts to Azo Dyes: Diazo Coupling01:11

Aryldiazonium Salts to Azo Dyes: Diazo Coupling

The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the para position.

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Solid-phase Synthesis of [4.4] Spirocyclic Oximes
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固相合成用于构建基于 thiazolotriazinone 的化合物 图书馆

Shuanghui Hua1, Jimin Moon1, Youngbeom Kim1

  • 1College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, BK21 FOUR KNU Community-Based Intelligent Novel Drug Discovery Education Unit, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.

Molecules (Basel, Switzerland)
|September 27, 2025
PubMed
概括

研究人员开发了一种新的固相合成 thiazolotriazinones. 这种高效的方法可以快速构建用于药物发现和结构-活性关系研究的库.

关键词:
化学图书馆 化学图书馆梅里菲尔德树脂是一种美丽的树脂.固相合成的固相合成方法基于 thiazolotriazinone 的化合物库

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科学领域:

  • 药用化学 医学化学
  • 有机合成 有机合成
  • 异环化学 异环化学

背景情况:

  • 提亚[4,5-d][1,2,3]triazin-4(3H) -one衍生物是重要的异环化合物.
  • 现有的合成方法可能缺乏效率或广泛适用性.

研究的目的:

  • 为开发第一个固体相合成 thiazolo[4,5-d][1,2,3]triazin-4(3H) - 一衍生物.
  • 为图书馆建设建立一个模块化和高效的协议.

主要方法:

  • 使用梅里菲尔德树脂进行固相合成.
  • 采用了Thorpe-Ziegler循环化,硫氧化和核替代的序列.
  • 使用实时减弱总反射率-里埃变换红外光谱 (ATR-FTIR) 监测反应进展.

主要成果:

  • 成功合成了40种 thiazolotriazinone衍生物的库.
  • 实现了高平均阶段性收益率,从68%到97%不等.
  • 证明了广泛的功能组耐受性和轻度反应条件.

结论:

  • 开发的固相合成是高效和多功能.
  • 该协议适用于构建各种异环库.
  • 该方法促进了用于药物发现的结构-活性关系 (SAR) 研究.