
Nickel-catalyzed hydrogenative coupling of nitriles and amines …
2022年6月23日 · We report a homogeneous nickel catalyst for hydrogenative cross coupling of a range of aromatic, heteroaromatic, and aliphatic nitriles with primary and secondary amines or ammonia.
A hydrogenative oxidation strategy for the single-step ... - Nature
2025年1月20日 · Here we report a hydrogenative oxidation strategy using water as both a source of H 2 and formal oxidant, enabling the direct synthesis of lactams from N -heteroarenes and thereby eliminating the...
Cobalt-Catalyzed Hydrogenative Transformation of Nitriles
2021年10月28日 · Catalyzed by a cobalt/tetraphosphine complex, hydrogenative coupling of unprotected indoles with nitriles proceeds smoothly in a basic medium, yielding C3 alkylated indoles. In addition, the direct hydrogenation of nitriles under …
Hydrogenative alkene perdeuteration aided by a transient
2023年9月4日 · Herein we report the hydrogenative perdeuteration of alkenes using readily available H2 and D2O instead of D2, catalysed by an acridanide-based ruthenium pincer complex and resulting in the ...
Photocatalytic Abstraction of Hydrogen Atoms from Water Using ...
2022年3月25日 · The gCN−OH presents a stable catalytic performance for hydrogenative N−N coupling, pinacol-type coupling and dehalogenative C−C coupling, all with high yield and efficiency, even under solar radiation, featuring extensive impacts in using renewable energy for a cleaner process in dye, electronic, and pharmaceutical industries.
Graphitic phosphorus coordinated single Fe atoms for hydrogenative …
2020年8月13日 · Herein, we successfully construct graphitic phosphorus species coordinated single-atom Fe on P-doped carbon, which display outstanding catalytic performance and reaction generality in the...
Pd-Ti3SiC2 synergistic catalysis for highly selective hydrogenative ...
Pd/Ti 3 SiC 2 catalyzes selective hydrogenative rearrangement of furfural to cyclopentanone. Synergy between T i3 SiC 2 acid sites and Pd metal site facilitates furfural hydrogenation. Hydrogenation of furfural to furfuryl alcohol is identified as the rate-determining step.
Switching between Hydrogenative Hydrogenolysis and …
2024年7月24日 · Controlled hydrogenative hydrogenolysis and rearrangement of furfurals to polyols and cyclopentanones are critical for upgrading biomass to fine chemicals, but are challenging owing to the easy overhydrogenation route.
大牛出手!“水”一篇Nature Catalysis! - 知乎 - 知乎专栏
科学家们提出了一种创新的氢化氧化策略,利用水作为氢气和氧气的双重来源,从而实现了 N-杂环化合物 的直接合成 内酰胺。 该策略采用了基于 哌啶 的 铑夹心复合物,能够有效平衡氢化和脱氢过程,在低氢气压力或催化量氢气的条件下,实现了多种N-杂环化合物的高效转化。 此方法不仅消除了对额外还原剂和氧化剂的需求,还显著减少了废物的生成,具有较高的原子经济性和环境友好性。 研究亮点. (1)实验首次提出了氢化氧化策略,利用水作为氢气源和正式氧化剂,成功 …
Switching the Selectivity of Cobalt-Catalyzed Hydrogenation of …
2018年8月30日 · Simply treating CoBr 2 with NaHBEt 3 generates cobalt particles, which can catalyze the hydrogenation of nitriles to primary amines with high selectivity and broad functional group tolerance.