使用沉积在柠檬酸改性纤维素上的金纳米粒子对醇进行脱氢硅烷化处理

IF 1.7 4区 化学 Q3 CHEMISTRY, ORGANIC
Synlett Pub Date : 2024-09-02 DOI:10.1055/a-2379-9191
Butsaratip Suwattananuruk, Yuta Uetake, Hidehiro Sakurai
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引用次数: 0

摘要

为氢硅烷与醇类的脱氢偶联开发有效的催化系统仍然是一个持续的挑战,尤其是在酒精保护应用方面。在本研究中,我们报告了一种高效金催化剂的开发和优化,该催化剂以柠檬酸修饰的纤维化纤维素为支撑。在金负载量为 0.01-0.05 摩尔%的温和条件下,该催化剂表现出显著的催化活性,促进了硅烷醚的生成,且收率极高。值得注意的是,我们的催化系统克服了此类反应中通常需要的过量酒精,使其在酒精保护应用中非常实用。这项工作代表了脱氢硅烷化催化领域的重大进展,为硅醇基功能材料的合成和酒精保护应用提供了一种可持续、高效和环保的方法。我们对底物的范围和催化剂的实用性进行了深入研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Dehydrosilylation of Alcohols Using Gold Nanoparticles Deposited on Citric Acid Modified Fibrillated Cellulose

Dehydrosilylation of Alcohols Using Gold Nanoparticles Deposited on Citric Acid Modified Fibrillated Cellulose

The development of an effective catalytic system for the dehydrogenative coupling of hydrosilanes with alcohols remains an ongoing challenge, particularly for alcohol protection applications. In this study, we report the development and optimization of a highly efficient gold catalyst supported on fibrillated cellulose modified with citric acid. The catalyst exhibited remarkable catalytic activity under mild conditions with 0.01–0.05 mol% of Au loading, facilitating the formation of silyl ethers with excellent yield. Notably, our catalytic system overcomes the need for excess alcohol, typically required in such reactions, making it highly practical for alcohol protection applications. This work represents a significant advancement in the field of dehydrosilylation catalysis, offering a sustainable, efficient, and environmentally friendly approach for the synthesis of functional silanol-based materials and alcohol protection applications. The scope of substrates and the utility of the catalyst have been thoroughly studied.

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来源期刊
Synlett
Synlett 化学-有机化学
CiteScore
3.40
自引率
5.00%
发文量
369
审稿时长
1 months
期刊介绍: SYNLETT is an international journal reporting research results and current trends in chemical synthesis in short personalized reviews and preliminary communications. It covers all fields of scientific endeavor that involve organic synthesis, including catalysis, organometallic, medicinal, biological, and photochemistry, but also related disciplines and offers the possibility to publish scientific primary data.
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