Results 131 to 140 of about 2,873,864 (246)

A Review on Nitrogen-Containing Heterocycles Synthesis, Properties, Structure–Activity Relationships, and Biological Applications

Nitrogen-containing heterocycles represent a fundamental class of organic compounds with widespread importance in organic synthesis, medicinal chemistry, and materials science.
Anto Emmanuel DP, Janardhan Nayak, Swathi Harithas, Vinay Prasad V, Ramesh Bhat, Vinuta Vinuta   +5 more
core   +1 more source

Ionic Liquid Electrolytes for Extreme Temperature Conditions: Challenges and Perspective

Angewandte Chemie, EarlyView.
Ionic liquids (ILs) have gained great attention as safe electrolyte components in recent years. This review elucidates the temperature effects on IL‐based electrolytes from molecular configurations, physicochemical properties, and interfacial chemistry, raises the challenges and design strategies operating at low‐ and HT, providing valuable guidance ...
En Xie, Chengdong Liu, Xinghao Wang, Jian Wang, Zhen Chen, Huihua Li, Wenlong Cai, Hao Li, Yang Peng, Fanglin Wu, Stefano Passerini, Haolin Tang   +11 more
wiley   +2 more sources

Sustainable Access to N‐Heterocycles: One‐Pot Cascade Synthesis of Pyrroles From Bio‐Derived Furans

Angewandte Chemie, EarlyView.
Highly dispersed platinum (Pt) clusters on Brønsted acid‐rich HY zeolite enable a one‐pot cascade conversion of bio‐derived furans and nitroarenes into pyrroles. Highly dispersed Pt sites ensure selective nitro hydrogenation, while Pt nanoparticles promote undesired over‐hydrogenation.
Haifeng Qi, Germán López Robledo, Jianglin Duan, Yujing Ren, Kathrin Junge, Matthias Beller   +5 more
wiley   +2 more sources

Photochemistry of Fundamental Nitrogen Containing Aromatic Heterocycles

, 2018
This thesis describes studies into gas-phase photochemistry of nitrogen containing heterocycles, together ion-trap mass spectrometers and tunable nanosecond laser light sources.
James P Bezzina (20168343)
core   +1 more source

HIGHLIGTHS IN 1,2,3-DITHIAZOLE CHEMISTRY

Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2010
Among the five-membered heterocycles containing nitrogen and sulphur atoms, 1,2,3-dithiazoles are important compounds due to their unusual physical properties, biological activity and versatile chemistry.
Valérie Thiéry, Lisianne Domon, Jean-René Chérouvrier, Philippe Pineau, Emmanuel Deau, Hervé Rouillard, Hélène Laborie   +6 more
doaj  

Synthesis of Large‐ and Medium‐Sized Heterobiaryl Atropisomeric Rings and Atropopeptides by Catalytic Intramolecular SNAr

Angewandte Chemie, EarlyView.
Catalytic, intramolecular N‐heterocycle arylation by nucleophilic aromatic substitution (SNAr) is now available for synthesis of highly strained macrocycles and medium‐sized heterobiaryl atropisomeric rings, including atropopeptides. Key to the approach is the ability to generate a strong base catalytically, taking advantage of base‐embedding ...
Alireza Abbasi Kejani, Paritosh Dey, Nicholas H. Stillman, Daniel M. Andrade, Michal Šimek, Martin Dračínský, Daniel Bím, Paulo H. S. Paioti   +7 more
wiley   +2 more sources

Influence of Substitution on the Interplay of Photochemical Switching and Phase Transitions in Azobenzene‐Based Molecular Materials

Angewandte Chemie, EarlyView.
This study investigates the influence of several substituents at different positions on photochemical and thermal properties of azobenzene‐based materials to provide valuable structure‐property relationships for the specific design of azobenzene‐based materials for future energy storage and phase change materials. ABSTRACT Understanding and translating
Conrad Averdunk, Hermann A. Wegner
wiley   +2 more sources

RETRACTED: Fluorescent and Phosphorescent Nitrogen-Containing Heterocycles and Crown Ethers: Biological and Pharmaceutical Applications.

Molecules, 2022
Ullah F, Ullah S, Khan MFA, Mustaqeem M, Paracha RN, Rehman MFU, Kanwal F, Hassan SSU, Bungau S.   +8 more
europepmc   +1 more source

Nitrogen-Containing Heterocycles in Agrochemicals [PDF]

Agricultural Research & Technology: Open Access Journal, 2018
openaire   +1 more source

TADF‐Active Tetrazole Luminophores for Visible‐Light Functionalization of Nanoparticles and Surfaces

Angewandte Chemie, EarlyView.
A series of tetrazoles are reported that undergo 1,3‐dipolar cycloadditions with alkene and alkyne substrates, generating (dihydro)pyrazole products that exhibit thermally activated delayed fluorescence (TADF). The “photo‐click” reactivity of these tetrazoles is leveraged to functionalize nanoparticles and surfaces with TADF‐active chromophores ...
Ryoga Hojo, Katrina Bergmann, Siyuan L. Xie, Connor S. Durfy, William L. Primrose, Athan T. Gogoulis, Seja A. Elgadi, Mitchell J. Demchuk, Thomas Kalab, Peiqi Hu, Eva M. Nichols, Zachary M. Hudson   +11 more
wiley   +2 more sources