Photochromism via reversible transformation of photoinduced chiral free radicals [0.03%]
通过光致手性自由基的可逆转化产生变色现象
Xiaoyang Zhang,Shengwen Bao,Chenfeng He et al.
Xiaoyang Zhang et al.
A chiral molecule-doped polymer system exhibiting reversible photoswitching of red luminescence and chiroptical activity via radical transitions is presented here. The optical state is reversibly reset by water vapor, enabling robust and re...
Copper-catalyzed three-component radical relay alkenylation of sulfenamides [0.03%]
铜催化三组分自由基接力烯基化反应合成亚砜类化合物
Renkang Wei,Jing Zhong,Qian Wang et al.
Renkang Wei et al.
Herein, we report a copper-catalyzed three-component radical relay alkenylation of sulfenamides with Togni reagent and alkynes. This strategy provides a general and efficient route for the synthesis of chiral β-trifluoromethyl alkenyl sulf...
Porphyrin-based covalent organic frameworks for electrocatalytic NOx reduction and C-N coupling reactions [0.03%]
基于卟啉的共价有机骨架在电催化NOx还原和C-N偶联反应中的应用
Jie Wang,Yishui Tang,Yi Liang et al.
Jie Wang et al.
Porphyrin-based covalent organic frameworks (COFs) have emerged as versatile and structurally tailorable platforms for the electrocatalytic conversion of nitrogen oxides (NOx) to value-added chemicals. Their structural periodicity, well-def...
Fe(0)-catalyzed alkyne carboxylation with CO2 involving spin crossover [0.03%]
二氧化碳与铁催化的卡宾环加成反应中的自旋转变现象
Huili Wang,Qiqi Zhang,Haizhu Yu et al.
Huili Wang et al.
The first Fe(0)-catalyzed alkyne carboxylation using CO2 is reported using Fe(0)-phenanthroline complexes, and DFT calculations suggest a spin crossover from a triplet to a quintet state during the reaction.
Rational engineering of Brønsted acid sites for product-specific and accelerated furfurylamine formation [0.03%]
通过合理工程化布伦斯特酸位点实现高效特异合成糠胺类化合物
Supan,Kanika Saini,Shunmugavel Saravanamurugan
Supan
Ru supported on modified H-ZSM-5 (Ru/DZ) with high dispersion of Ru and strong Brønsted acidic sites has been developed for the selective production of furfurylamine (FUA) via reductive amination of furfural (FUR) compared to its counterpa...
A photo-induced three-component reaction of N-aryl piperidines, sulfur dioxide, and cycloketone oxime esters [0.03%]
芳基哌啶、二氧化硫和环酮肟酯的光促进三组分反应
Ze Wang,Mengxia Yu,Shaoyu Li et al.
Ze Wang et al.
A novel, external-oxidant-free method for synthesizing β-sulfonylated piperidines is established via a visible-light-driven three-component reaction. The reaction proceeds smoothly at room temperature, delivering products with good substra...
Mechanically alloyed CdGeP2 coupled with optimized conductive frameworks for ultrafast lithium storage [0.03%]
用于超快锂存储的机械合金化CdGeP2和优化的导电框架耦合体系
Zedong Li,Wei Pan,Yuanxia Zhang et al.
Zedong Li et al.
Amorphous CdGeP2 is synthesized via eco-friendly high-energy ball milling and composited with different conductive carbons. The optimized CdGeP2/graphene oxide exploits bimetallic reciprocal buffering capability and a fast electron-conducti...
HFIP-Promoted [18F] trifluoromethylation via iodofluorination of gem-difluoroalkenes [0.03%]
经金刚石二氟烯烃碘氟化促进的HFIP催化[18F]三氟甲基化反应
Yuzhang,Yifan Ren,Junbin Han et al.
Yuzhang et al.
Herein, we report a novel hydrogen-bond-assisted radiofluorination strategy for the trifluoromethylation of gem-difluoroalkenes, utilizing NIS as the activator and HFIP as the essential solvent to facilitate key hydrogen-bonding interaction...
A bioinspired metal-organic helicate drives electrocatalytic ethane production from carbon dioxide [0.03%]
一种生物启发的金属有机旋链催化剂用于电催化二氧化碳转化制乙烷
Liu Gao,Jinfeng Wang,Kesheng Shen et al.
Liu Gao et al.
We designed the metal-organic cage electrocatalyst H1, which activates the in situ-formed adduct between CO2 and piperazine via host-guest encapsulation, thereby significantly lowering the CO2 reduction potential and achieving the lowest po...
Cost-effective nanocubic Prussian blue analogues for enhanced active-barrier epoxy coatings [0.03%]
低成本的纳米级普鲁士蓝类似物用于增强型活性屏障环氧涂层
Xinyue Zhang,Chunmei Zhang,Mairemu Maihaiti et al.
Xinyue Zhang et al.
A cost-effective nanocubic manganese-based Prussian blue analogue with an open framework and redox activity is proposed as an epoxy filler for the first time, demonstrating exceptional active-barrier anticorrosion with an ultralow corrosion...