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Electrocatalytic deuteron-dechlorination with D₂O holds promise as a green synthesis of deuterated compounds. Here, surfactant-enhanced Cu^δ+ and induced electrostatic forces promote the dechlorination kinetics in the electro reductive deuteration of trichloroacetic acid to deuterated acetic acid with D₂O.

Although polymers have been studied for well over a century, there are few examples of covalently linked polymer crystals synthesized directly from solution. Here, the authors demonstrate a strategy to synthesize single crystalline 1D metallo-covalent organic frameworks by combining dynamic covalent chemistry and metal-ligand coordination.

The sustainable synthesis of cyclohexanone oxime, the precursor of nylon-6, without toxic SO₂ or H₂O₂ usage is desirable. Here, the electrosynthesis of cyclohexanone oxime from nitrite and cyclohexanone under ambient conditions is reported.

Nitromethane electroreduction offers a sustainable route for methylamine synthesis, but poor N–O activation yields low selectivity. Now N-methylhydroxylamine adsorption on low-coordination copper has been shown to induce a large dipole moment and promote N–O bond cleavage. This strategy can be generalized for the hydrogenolysis of other N(alkyl)–O molecules.

A dynamic Cu–Pt dual-atom catalyst supported on 1Tʹ-MoS₂ can be electrically switched between single- and dual-atom configurations, enabling on-demand control for alkyne semi-hydrogenation.

Developing convenient deuterium labeling procedures is important in organic synthesis and the pharmaceutical industry. Here, the authors report a mild photocatalytic strategy for controllable deuteration of halides using D₂O as the reagent and porous CdSe nanosheets as the catalyst.

Highly selective electrocatalytic semi-hydrogenation of alkynes over a noble-metal-free catalyst is highly desirable. Here, authors synthesize sulfur-containing copper nanowire sponges for selective electrocatalytic alkyne semi-hydrogenation using water as the hydrogen source.

Ethylene is a widely used petrochemical feedstock for the manufacture of various critical chemicals. Here the authors show a rationally designed Cu catalyst that enables electrocatalytic production with high performance and economic feasibility as well as sustainability.

Electrochemistry holds great potential for the synthesis of complex and valuable compounds, but so far attempts to prepare amino acids have resulted in low yields. Now, the electrosynthesis of alanine and other amino acids from NO and α-keto acids is performed on a silver catalyst, and the amino acid yield is enhanced using two decoupled flow reactors.

Achieving a high Faradaic efficiency in the electrocatalytic deuteration of organics with D₂O at large current densities is challenging due to the competing D₂ evolution side reaction. Here the authors report the combined nanotip-enhanced electric field and surfactant-modified interface microenvironment enabled electrocatalytic deuteration of organics in D₂O with an 80% FE at −100 mA cm⁻².

Electrocatalytic C − N bond formation from inorganic nitrogen wastes is desirable. Here, a pulsed electrochemical method is reported to promote one-pot cascade C − N bond forming reaction between nitrite and arylboronic acids with water into arylamines.

Developing a sustainable manufacturing method using biomass-derived feedstock at ambient conditions is highly desirable. Here the authors report electrooxidation route for synthesis of formamide from methanol and ammonia in water

One-pot efficient synthesis of α,β-deuterio aryl ethylamines with high deuterium ratios using an easy-to-handle deuterated source under ambient conditions is desirable. Here the author report the electrosynthesis of α,β-deuterio aryl ethylamines from aryl acetonitriles using D₂O.

Selective hydrogenation of quinolines with easy-to-handle hydrogen donors and cost-effective catalysts is desirable. Here electrocatalytic quinoline hydrogenation to 1,2,3,4-tetrahydroquinolines is reported with water over a fluorine-modified cobalt.

The electrochemical construction of C–N bonds from abundant CO₂ and nitrogenous sources is of interest for the sustainable synthesis of value-added organonitrogen compounds, which requires comprehensive considerations of electrocatalysts, the interface microenvironment, mechanisms, reactors and paired reactions to push this area towards competition with traditional thermochemical methods.

Electrocatalytic hydrogenation is green and mild compared with conventional hydrogenation processes. This protocol describes an electrocatalytic semi-hydrogenation method to synthesize olefins with water as the hydrogen source under ambient conditions.

How charges travel through a solid and its subsequent distortion of the surrounding lattice, also known as a polaron, are believed to play important roles in determining photocatalytic activities. Here, along with alteration of W doping and temperature of BiVO₄ films, we reveal a new many-body large-hole polaron in W-doped BiVO₄ films and demonstrate that the strong electronic correlations and screening induced large-hole polaron combined with indirect band gap is the key factor to remarkably boost the high photocatalytic activities of BiVO₄. Our study is also promising for searching other large-hole polaron systems to improve the efficiency of photocatalytic activities.

The use of water for electrochemical hydrogenation and oxidation of organic species provides a sustainable route for synthesizing chemicals. The electrode types, general electrocatalyst selection principles and interface microenvironment control are elucidated, conducive to designing efficient electrocatalysts and reaction systems.