Fuel, Journal Year: 2024, Volume and Issue: 381, P. 133308 - 133308
Published: Oct. 21, 2024
Language: Английский
Chemistry - A European Journal, Journal Year: 2023, Volume and Issue: 29(32)
Published: March 13, 2023
Electrocarboxylation reaction, which employs organic electrosynthesis to achieve the utilization of CO2 as a carboxylative reagent, provides powerful and efficient tool for preparation carboxylic acid. In some electrocarboxylation reactions, also acts promoter facilitate desired reaction. This concept mainly highlights recent -promoted reactions via CO2⋅- intermediate or transiently protective carboxylation active with .
Language: Английский
Citations
17
Organic Letters, Journal Year: 2023, Volume and Issue: 25(36), P. 6671 - 6676
Published: Aug. 29, 2023
In this study, a metal-free difunctionalization strategy for diazenes was developed using range of bifunctionalization reagents. This involves unique N(sp3)–N(sp2) radical coupling between the hydrazine and imine radical. More than 30 triazane core motifs were constructed by installing imines various functional groups, including alkyl, phenyl, cyanoalkyl, sulfonyl on both ends nitrogen–nitrogen bond in an efficient manner.
Language: Английский
Citations
17
Chemistry - A European Journal, Journal Year: 2023, Volume and Issue: 29(44)
Published: May 26, 2023
Cross-pinacol coupling of two different carbonyl compounds was achieved through successive one-electron transfer processes under photocatalytic conditions. In the reaction, an umpoled anionic carbinol synthon generated in situ to react nucleophilically with a second electrophilic compound. It revealed that CO2 additive promoted generation suppress undesired radical dimerization. A wide variety aromatic and aliphatic substrates underwent cross-pinacol afford corresponding unsymmetric vicinal 1,2-diols, which even combination reactants similar structures such as aldehydes ketones were also well tolerated high cross-coupling selectivity.
Language: Английский
Citations
14
Advanced Materials Technologies, Journal Year: 2025, Volume and Issue: unknown
Published: March 23, 2025
Abstract In situ grown copper (Cu) metal is commonly integrated with Cu 2 O to enhance charge separation and improve photocatalytic degradation of azo dyes, such as Orange II Methyl orange (MO). However, limited solvent diffusion remains a critical challenge for effective pollutant removal. Inspired by the dandelion structure, this work synthesizes Cu/Cu composite an interconnected nanotube structure hollow nanosphere, facilitating transport increasing active surface area. The optimized O‐S3 catalyst achieves 93 % photodegradation efficiency maintains 98 stability over five cycles at concentration 100 mgL −1 , significantly outperforming MO. While previous studies have attributed performance dihedral angle planarity II, role photogenerated electron catalyst‐dye interface largely overlooked. Here, reveals that transfer from 3 d orbitals p energy levels N, C, atoms, enhancing carrier mobility binding interactions. Moreover, extra α‐OH group in promotes uniform electronic distribution planar π‐bond formation, further improving performance. These insights provide deeper understanding mechanisms offer valuable strategies designing more efficient catalysts.
Language: Английский
Citations
0
Green Chemistry, Journal Year: 2023, Volume and Issue: 25(18), P. 7335 - 7343
Published: Jan. 1, 2023
Reported here is the radical sequential (3 + 2) annulation of 1,6-enynes under concerted catalysis sulfinate and PC. Importantly, CO 2 as a green additive facilitates unusual 1,4-elimination via proton transfer to provide desulfonylated products.
Language: Английский
Citations
8
Organic Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 11(9), P. 2494 - 2501
Published: Jan. 1, 2024
A mild chemoselective CO 2 and palladium mediated hydroxylation method of gem -difluorocyclopropanes is herein reported, in the presence water. broad functional group tolerance multiple mechanistic experiments are described discussed.
Language: Английский
Citations
3
Green Chemistry, Journal Year: 2024, Volume and Issue: 26(11), P. 6696 - 6703
Published: Jan. 1, 2024
CO 2 -mediated Z to E isomerization of enamides assisted by electrocatalysis has been established, the key step relies on formation intermediates with via an unconventional C-centered mode, providing a series -enamides in good yield.
Language: Английский
Citations
3
Organic Letters, Journal Year: 2024, Volume and Issue: 26(30), P. 6324 - 6329
Published: July 22, 2024
Direct functionalization of azobenzenes provides an approach to obtaining valuable molecules in synthetic chemistry. However, efficient method for the cleavage N═N bond azobenzenes, which is a key process this transformation, still lacking. We herein disclose electrochemical reduction-induced cyclization with aldehydes via cleavage. This proceeds well absence any transition metals or external chemical oxidants, leading formation N-protected benzimidazoles moderate good yields.
Language: Английский
Citations
3
Organic & Biomolecular Chemistry, Journal Year: 2023, Volume and Issue: 22(5), P. 869 - 893
Published: Dec. 25, 2023
The photochemical action of arylazo sulfones under visible light irradiation has recently gained considerable attention for the construction carbon-carbon and carbon-heteroatom bonds in organic synthesis. inherent dyedauxiliary group (-N
Language: Английский
Citations
7
Separation and Purification Technology, Journal Year: 2023, Volume and Issue: 332, P. 125760 - 125760
Published: Nov. 17, 2023
Language: Английский
Citations
5