Organic Letters, Год журнала: 2024, Номер 26(18), С. 3756 - 3761
Опубликована: Апрель 28, 2024
Phenazines, crucial constituents of nitrogen-containing heterocycles, widely exist in functional compounds. Herein, we report an anodic oxidative (4 + 2) cyclization between anilines and
Язык: Английский
Chinese Journal of Chemistry, Год журнала: 2024, Номер 42(15), С. 1679 - 1685
Опубликована: Март 15, 2024
Comprehensive Summary A novel and eco‐friendly electrochemical activation of trifluoromethyl thianthrenium triflate (TT–CF 3 + OTf − ) for trifluoromethylation imidazole‐fused heteroaromatic compounds was established. This method involves the direct electrolysis TT–CF without requirement external oxidants or catalysts, aligning with principles green chemistry. wide range including imidazo[1,2‐ a ]pyridines benzo[ d ]imidazo[2,1‐ b ]thiazoles have been successfully trifluoromethylated using this technique, exhibiting excellent compatibility various functional groups broad substrate scope. Moreover, method's applicability one‐pot sequential reactions enables reduction waste resource consumption by eliminating need intermediate purification steps.
Язык: Английский
Процитировано
11
Science Bulletin, Год журнала: 2023, Номер 68(23), С. 2982 - 2992
Опубликована: Сен. 26, 2023
Язык: Английский
Процитировано
16
Angewandte Chemie International Edition, Год журнала: 2023, Номер 62(31)
Опубликована: Июнь 7, 2023
Abstract The development of a rechargeable battery that can produce valuable chemicals in both electricity storage and generation processes holds great promise for increasing the electron economy economic value. However, this has yet to be explored. Herein, we report biomass flow generates while producing furoic acid, store yielding furfuryl alcohol. is composed rhodium‐copper (Rh 1 Cu) single‐atom alloy as anode, cobalt‐doped nickel hydroxide (Co 0.2 Ni 0.8 (OH) 2 ) cathode, furfural‐containing anolyte. In full evaluation, displays an open circuit voltage (OCV) 1.29 V peak power density up 107 mW cm −2 , surpassing most catalysis‐battery hybrid systems. As proof‐of‐concept, demonstrate produces kg acid with 0.78 kWh output, yields 0.62 alcohol when stored. This work may shed light on design batteries value‐added functionality such production.
Язык: Английский
Процитировано
13
Angewandte Chemie, Год журнала: 2023, Номер 135(31)
Опубликована: Июнь 7, 2023
Abstract The development of a rechargeable battery that can produce valuable chemicals in both electricity storage and generation processes holds great promise for increasing the electron economy economic value. However, this has yet to be explored. Herein, we report biomass flow generates while producing furoic acid, store yielding furfuryl alcohol. is composed rhodium‐copper (Rh 1 Cu) single‐atom alloy as anode, cobalt‐doped nickel hydroxide (Co 0.2 Ni 0.8 (OH) 2 ) cathode, furfural‐containing anolyte. In full evaluation, displays an open circuit voltage (OCV) 1.29 V peak power density up 107 mW cm −2 , surpassing most catalysis‐battery hybrid systems. As proof‐of‐concept, demonstrate produces kg acid with 0.78 kWh output, yields 0.62 alcohol when stored. This work may shed light on design batteries value‐added functionality such production.
Язык: Английский
Процитировано
11
Organic & Biomolecular Chemistry, Год журнала: 2023, Номер 21(30), С. 6068 - 6082
Опубликована: Янв. 1, 2023
On the basis of types radicals that initiate different intermolecular (4 + 2) cycloaddition processes, we classify them into five types, and this review places special emphasis on reaction design mechanisms.
Язык: Английский
Процитировано
9
Angewandte Chemie International Edition, Год журнала: 2024, Номер unknown
Опубликована: Ноя. 8, 2024
The spin state of transition-metal compounds in lithium-sulfur batteries (LSBs) significantly impacts the electronic properties and kinetics sulfur redox reactions (SRR). However, accurately designing remains challenging, which is crucial for understanding structure-performance relationship developing high-performance electrocatalysts. Herein, CoF
Язык: Английский
Процитировано
3
Israel Journal of Chemistry, Год журнала: 2023, Номер 64(1-2)
Опубликована: Авг. 23, 2023
Abstract Despite substantial advancements in thermal and photochemical catalysis, the evolution of similar processes within realm organic electrochemistry has seen a slower pace. However, recent years have heralded remarkable surge molecular electrocatalysis. This innovative technique harnesses power catalysts to expedite electrochemical transformations. article underscores application ferrocene (Fc) as redox catalyst electrosynthesis. It delves into extensive utilization Fc electrosynthesis, particularly emphasizing its role electrocatalytic generation reactions heteroatom‐ carbon‐centered radicals, among various other reactions.
Язык: Английский
Процитировано
8
Angewandte Chemie, Год журнала: 2024, Номер unknown
Опубликована: Ноя. 8, 2024
Abstract The spin state of transition‐metal compounds in lithium‐sulfur batteries (LSBs) significantly impacts the electronic properties and kinetics sulfur redox reactions (SRR). However, accurately designing remains challenging, which is crucial for understanding structure‐performance relationship developing high‐performance electrocatalysts. Herein, CoF 2 , specifically Co 2+ with 3 d 7 electrons a high‐spin distribution (t 2g 5 e g ), were tailored predictably first time through weak coordination field effect F element. Both DFT calculations experimental results confirm that transitions from low‐ to configurations strongly interacts species Co−S Li−F bonds during SRR process. This interaction weakens S−S bond, promoting its facile cleavage both ends while also facilitating rapid uniform nucleation Li S /Li S, thus resulting LSBs capacity 447.7 mAh −1 at 10 C rates stable cycling 1000 cycles, an acceptable practical 585 high loading mass mg cm −2 . work achieves rational control active electron enriches application accelerate LSBs.
Язык: Английский
Процитировано
2
Organic Letters, Год журнала: 2024, Номер 26(18), С. 3756 - 3761
Опубликована: Апрель 28, 2024
Phenazines, crucial constituents of nitrogen-containing heterocycles, widely exist in functional compounds. Herein, we report an anodic oxidative (4 + 2) cyclization between anilines and
Язык: Английский
Процитировано
1