Results 121 to 130 of about 2,558 (239)

Synthesis and Reactivity of 3‐Aminosydnones in Cycloaddition Reactions With Alkynes

Chemistry – A European Journal, EarlyView.
The synthesis, functionalization, and reactivity as dipoles of 3‐aminosydnones have been investigated. These neglected compounds undergo smooth cycloaddition reactions with strained alkynes, leading to 1‐aminopyrazoles. ABSTRACT We present in this article the synthesis, functionalization, and properties of 3‐aminosydnones, a forgotten class of ...
Apolline Dominic, Timothée D'anfray, Guillaume Force, David‐Alexandre Buisson, Maxime Tricoire, Alexis Leblais, Davide Audisio, Frédéric Taran   +7 more
wiley   +1 more source

Electrodimerization of N‑Alkoxyamides for the Synthesis of Hydrazines

An efficient and valuable N–N dimerization reaction of N-alkoxyamides is reported under undivided electrolytic conditions. This electrochemical strategy provides a powerful way to access a wide range of advanced, highly functionalized hydrazines ...
Xihao Chang (6082496), Chang Guo (833590), Abudulajiang Nasier (11361696)   +2 more
core   +1 more source

Facile Synthesis of Mono-, Di-, and Trisubstituted Alpha-Unbranched Hydrazines

, 2016
Methods for the alkylation of di-tert-butyl hydrazine-1,2-dicarboxylate were investigated. It was found that under mild conditions mono- or di-substituted hydrazine derivatives were obtained in good to excellent yield.
Lars K. Rasmussen (2642437)
core   +1 more source

Oxidative Generation and Reactivity of the Cyclopropyl Radical From a Martin Silicate

Chemistry – A European Journal, EarlyView.
A photoredox strategy employing Martin silicates enables the oxidative generation and controlled capture of cyclopropyl radicals, including the naked one, long considered challenging intermediates. The method affords functionalized cyclopropanes through both Giese‐type additions and dual nickel/photoredox C(sp3)−C(sp2) cross‐couplings.
Amal Lakhal, Alexandre Millanvois, Louis Fensterbank, Cyril Ollivier   +3 more
wiley   +1 more source

Synthesis and characterization of amphiphilic nitroxide 1,1,3,3–tetraethylisoindoline–2–oxyl–5–sodium sulfonate (TEIOSNa)

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal, Martha Eugenia Albores Velasco, René O. Vargas, Rubén Mil‐Martínez   +3 more
wiley   +1 more source

Locking Fe Single Atoms Into the Lattices of Mesoporous TiO2 Promotes Nitrogen Reduction

EcoEnergy, EarlyView.
S‐coordinated Fe single‐atom catalysts on mesoporous TiO2 have been constructed by a universal lattice‐confined strategy. This catalyst shows a unique nanoconfinement effect for mass transfer and maximizes the active sites to mimic nitrogenase for ambient electrocatalytic N2 reduction reaction.
Danli Liang, Ruicong Wang, Yujuan Zhao, Zaiwang Zhao   +3 more
wiley   +1 more source

Interfacial and Ligand Dual Engineering Toward Energy‐Saving Hydrogen Production Coupled with Sulfion Degradation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Using a coordinated regulation strategy of interface and ligand, we developed a nickel cobalt sulfide/carboxylate ligand‐modified nickel cobalt hydroxide composite (NiCo‐S/NiCo‐OH‐CL) with abundant heterointerfaces. Owing to the porous network, sulfur‐repellent hydrophilic surface, and dual electronic structure regulation, the coupled electrolysis ...
Jinghui Guo, Min Zhou, Yang Shen, Guo Yu, Qijun Wang, Heyan Yu, Leyuan Wang, Feng Wang, Wei Yang, Hairen Wang, Yu Ding, Yan Zhao, Zhaoyang Wang   +12 more
wiley   +1 more source

Electrochemical Disposal of Hydrazines in Water

, 2007
An electrochemical method of disposal of hydrazines dissolved in water has been devised. The method is applicable to hydrazine (N2H4), to monomethyl hydrazine [also denoted by MMH or by its chemical formula, (CH3)HNNH2], and to unsymmetrical dimethyl ...
Kim, Jinseong, Salinas, Carlos, Rutherford, Larris, Andrews, Craig, Gonzalez-Mar, Anuncia, Yalamanchili, Ratlaya, Jeng, King-Tsai   +6 more
core  

Recycling Ni‐Rich NCM Cathode Materials From Spent Li‐Ion Batteries as Efficient Electrocatalyst for Urea Oxidation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Mounting battery waste demands sustainable solutions. We recycle spent NCM cathodes into high‐performance urea oxidation catalysts, enabling sustainable hydrogen production and simultaneous urea waste treatment. The burgeoning electric vehicle industry has intensified the demand for high‐energy Ni‐Co‐Mn (NCM) cathodes, yet their end‐of‐life management ...
Wencheng Su, Chao Wang, Huiyan Zeng, Jianwen Wang, Long Gu, Mengxian Li, Liting Deng, Chi‐Ying Vanessa Li, Chunzhen Yang   +8 more
wiley   +1 more source

One‐Step Synthesis of Si–Graphene Heterostructures via in‐Flight Gas‐Phase Mixing for High‐Capacity Silicon‐Rich Anodes

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A one‐step gas‐phase synthesis directly assembles amorphous Si nanoparticles with few‐layer graphene heterostructures via in‐flight mixing. Compositions with only 15 wt.% FLG deliver ~2800 mAh g−1 (Si + FLG) at 0.05 C and retain ~1400 mAh g−1 after 100 cycles at a high cycling rate of 1 C, enabled by a percolated, strain‐buffering graphene network that
Muhammad Ali, Mukarram Ali, Yasaman Jarrahizadeh, Axel Lorke, Michael A. Pope, Hartmut Wiggers   +5 more
wiley   +1 more source