氨硼烷实现的氢转移过程:对催化策略和机制的见解

IF 10.7 1区 工程技术 Q1 CHEMISTRY, PHYSICAL
Wenfeng Zhao , Hu Li , Heng Zhang , Song Yang , Anders Riisager
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引用次数: 4

摘要

原位生成氢供体的转移加氢(TH)在还原反应中具有重要意义,是涉及加压分子氢的传统加氢工艺的替代策略。氨硼烷(NH3BH3,AB)是一种很有前途的储氢材料,由于其高活性、良好的原子经济性、无毒性、可持续性以及易于运输和储存,在还原性有机转化中备受关注。本文综述了AB介导的各种底物的TH反应的最新进展,包括硝基化合物、腈、亚胺、烯烃、炔烃、羰基化合物(酮和醛)、二氧化碳以及N-和O-杂环。综述了合成方案(含金属和不含金属)、反应参数的影响、产物分布和反应活性的变化,并详细讨论了每种反应的机理,包括AB的作用模式以及构效关系。最后,展望了不饱和化合物AB能TH反应的挑战和机遇。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Ammonia borane-enabled hydrogen transfer processes: Insights into catalytic strategies and mechanisms

Ammonia borane-enabled hydrogen transfer processes: Insights into catalytic strategies and mechanisms

Transfer hydrogenation (TH) with in situ generated hydrogen donor is of great importance in reduction reactions, and an alternative strategy to traditional hydrogenation processes involving pressurized molecular hydrogen. Ammonia borane (NH3BH3, AB) is a promising material of hydrogen storage, and it has attracted much attention in reductive organic transformations owing to its high activity, good atom economy, non-toxicity, sustainability, and ease of transport and storage. This review focuses on summarizing the recent progress of AB-mediated TH reactions of diverse substrates including nitro compounds, nitriles, imines, alkenes, alkynes, carbonyl compounds (ketones and aldehydes), carbon dioxide, and N- and O-heterocycles. Syntheses protocols (metal-containing and metal-free), the effect of reaction parameters, product distribution, and variation of reactivity are surveyed, and the mechanism of each reaction involving the action mode of AB as well as structure-activity relationships is discussed in detail. Finally, perspectives are presented to highlight the challenges and opportunities for AB-enabled TH reactions of unsaturated compounds.

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来源期刊
Green Energy & Environment
Green Energy & Environment Energy-Renewable Energy, Sustainability and the Environment
CiteScore
16.80
自引率
3.80%
发文量
332
审稿时长
12 days
期刊介绍: Green Energy & Environment (GEE) is an internationally recognized journal that undergoes a rigorous peer-review process. It focuses on interdisciplinary research related to green energy and the environment, covering a wide range of topics including biofuel and bioenergy, energy storage and networks, catalysis for sustainable processes, and materials for energy and the environment. GEE has a broad scope and encourages the submission of original and innovative research in both fundamental and engineering fields. Additionally, GEE serves as a platform for discussions, summaries, reviews, and previews of the impact of green energy on the eco-environment.
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