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Catalyst

用于检测、定量和定位抗原与抗体的技术——ELISA、免疫印迹、免疫组化与流式细胞术。以下是我们知识库中标注该主题的实验方案、常见问题与技术文章。

15 项资源 · 实验方案、常见问题与文章
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Indium (low valent)

Low-valent metal compounds are frequently employed as reducing agents. Given that its most stable oxidation state is 3+, indium is utilized in its 2+ oxidation state to function as a one-electron reducing agent.

更新于 2024年11月阅读12分钟
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Rh2(esp)2 Catalyst

The Stanford-based Du Bois group has refined the catalytic prowess of Rh in oxidative C-H activation reactions, targeting sulfamate, sulfamide, carbamate, urea, and guanidine substrates. This enhancement stems from their ingenious substitution of tetramethylated m-benzenediproprionic acid 1 ...

更新于 2024年8月阅读12分钟
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Alcohol Oxidation Catalysts with Higher Activity than TEMPO——AZADOL®

Recently, environmentally friendly oxidation reactions catalyzed by a nitrogen-oxygen radical, TEMPO, have attracted attention. Iwabuchi et al. reported that a nitrogen-oxygen radical, 2-azadamantane-N-oxygen (AZADO), efficiently catalyzed oxidation reaction of alcohols.

更新于 2023年9月阅读12分钟
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Proline-type Organocatalysts

Since the first proline-catalyzed asymmetric synthesis was reported in 1971, a number of asymmetric syntheses using proline and derivatives have been developed. Proline-type organocatalysts are predominantly applicable to a wide assortment of asymmetric aldol reactions and asymmetric ...

更新于 2023年8月阅读12分钟
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MacMillan Imidazolidinone Organocatalysts

In recent years, asymmetric organic catalytic processes have increasingly become more mature and have been utilized in practical application scenarios.In comparison to metal catalytic processes, organic amine catalysts present numerous potential advantages, such as a more stable physicochemical ...

更新于 2023年8月阅读12分钟
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Asymmetric Organocatalysts

Asymmetric organocatalysis has emerged as a powerful synthetic tool that is complementary to metal-catalyzed reactions. Pioneering work in this area dates back to the 1970s in which Eder et al. and Hajos et al. separately reported an intramolecular asymmetric aldol reaction which employed ...

更新于 2023年8月阅读12分钟
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Photoredox Iridium Catalyst for Single Electron Transfer (SET) Cross-Coupling

C(sp2)- and C(sp)-hybridized coupling reactions are established catalytic approaches. However, multi-step C(sp3)- and C(sp2)-coupling reactions of boronic acids and related derivatives are still limited by ineffective two-electron transmetalation reactions. These conventional protocols exhibit ...

更新于 2023年8月阅读12分钟
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Visible Light Photoredox Catalysts

The photoreaction undergoes a special molecular transformation to form a product that is not obtained through a thermal reaction. In recent years, the light reaction induced by visible light has been further developed. The light reaction in visible light does not require high-energy ultraviolet ...

更新于 2023年7月阅读12分钟
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Nicewicz Photoredox Catalysts for Anti-Markovnikov Alkene Hydrofunctionalization

Although the Markovian rule plays a key role in explaining the mechanism of olefin Addition reaction, and it has also been widely used in scientific research and practical production, there are very few kinds of addition products with anti Markovian rules obtained through catalytic processes.

更新于 2023年7月阅读12分钟
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N-Heterocyclic Carbene (NHC) Ligands

With rapid advances in the field of cross-coupling reactions of unactivated substrates catalyzed by metal complexes, the chemical market has been revolutionized by the introduction of a large library of achiral and chiral phosphine ligand compounds. Phosphine ligands have shown positive effects ...

更新于 2023年5月阅读12分钟
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Homobenzotetramisole (HBTM): A General Organocatalyst for Asymmetric Acylations

Aladdin offers the isothiourea organocatalyst homobenzotetramisole (HBTM) as part of our asymmetric catalysis portfolio in both (R, item number: B120975) and (S, item number: B120963) enantiomeric forms. These compounds have been widely used for enantioselective conversion and kinetic resolution ...

更新于 2023年4月阅读12分钟

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