Results 141 to 150 of about 51,375 (336)

Dilithium Enediamide Derived From 1,4‐Diaza‐1,3‐Diene: An Electron Reservoir Enabling Variable Reactivity Toward Carbonyl Compounds

European Journal of Inorganic Chemistry, EarlyView.
Upon reduction of 1,4‐diaza‐1,3‐diene 1 to the dilithium enediamide 2, the polarity of the C = N bonds is reversed ‐ a classic case of umpolung. This behavior is particularly evident in reactions of the dianion 2 with carbonyl compounds and also explains why 1,4‐diaza‐1,3‐diene ligands do not always act merely as spectator ligands. 1,4‐Diaza‐1,3‐dienes
Muhan Liang, Michael Kunze, Helmar Görls, Joachim Scholz   +3 more
wiley   +1 more source

Iminodirhodium‐ and Iminocopper‐Catalyzed CH Activation: Chemoselective Oxidation of Alcohols and Aldehydes via Intermolecular Hydride Abstraction

European Journal of Organic Chemistry, EarlyView.
Chemoselective hydride abstractor iminometalloids, derived from O‐mesylacetoxime (MAO) using Rh2(II/II) or Cu(I) catalysts, can activate the C–Hα bonds of alcohols and aldehydes ultimately forming ketones, carboxylic acids, and esters even in the presence of C–H bonds with comparable bond strengths.
Raghunath Reddy Anugu, John R. Falck, Adeniyi M. Adebesin   +2 more
wiley   +1 more source

Rhodium‐Catalyzed Carbene Transfer to Isocyanides Using Zinc Carbenoids

European Journal of Organic Chemistry, EarlyView.
A diazo‐free rhodium‐catalyzed carbene transfer to isocyanides using zinc carbenoids generated from α‐acyloxy halides is reported. This mild protocol furnishes ketenimines that can either be hydrolyzed to amides or intercepted with trimethylsilyl azide or carboxylic acids to give tetrazoles and imides, respectively.
Thomas R. Roose, Guillaume Voegeli, Max C. M. de Vries, Jordy M. Saya, Romano V. A. Orru, Eelco Ruijter   +5 more
wiley   +1 more source

1‐(Acetylamino)thioxanthones and Derivatives: Synthesis From 1‐Halogenothioxanthones and Biological Properties

European Journal of Organic Chemistry, EarlyView.
The conversion of 1‐halogenothioxanthones into 1‐(acetylamino) derivatives and their NaH‐mediated cyclization have been optimized. This rapid method yields thiochromeno[4,3,2‐de]quinol‐2‐ones that exhibit promising in vitro anticancer activity. Institute and/or researcher Bluesky usernames: https://bsky.app/profile/iscr‐rennes.bsky.social.
Najet Ballagha, Frédéric Lassagne, William Erb, Isabelle Rouaud, Sophie Tomasi, Ziad Fajloun, Mona El Samarji, Mohamad Rima, Anamaria Mendonça Santos, Laurent Picot, Valérie Thiéry, Hédi M’Rabet, Florence Mongin   +12 more
wiley   +1 more source

Inherited metabolic epilepsies–established diseases, new approaches

Epilepsia Open, EarlyView.
Abstract Inherited metabolic epilepsies (IMEs) represent the inherited metabolic disorders (IMDs) in which epilepsy is a prevailing component, often determining other neurodevelopmental outcomes associated with the disorder. The different metabolic pathways affected by individual IMEs are the basis of their rarity and heterogeneity.
Itay Tokatly Latzer, Phillip L. Pearl
wiley   +1 more source

Donkwa Enriched With Goron‐Tula (Azanza garckeana) Modulates Sexual Behavior and Activity of Enzymes Linked With Erectile Dysfunction in High‐Fat Diets/ Streptozotocin‐Induced (STZ/HFD) Diabetic Rats

Food Chemistry International, EarlyView.
(A) Mount number, (B) mount latency, (C) intromission number, and (D) intromission latency are the parameters of sexual behavior. Met = metformin. D100 = 100 Donkwa. D90G10 = 90% Donkwa + 10% Goron‐Tula. D85G15 = 85% Donkwa + 15% Goron‐Tula. D80G20 = 80% Donkwa + 20% Goron‐Tula. The mean ± standard error of the mean (SEM) expressed the results. *Values
O. T. Mamukuyomi, O. S. Ijarotimi, A. A. Badejo   +2 more
wiley   +1 more source

Screening Interactive Impact of Dietary Bivalent Metallic Ions on S. anguivi Bioactive Components: Bitterness Attenuation and Antioxidant Activities Augmentation

Food Chemistry International, EarlyView.
Unpleasant bitterness associated with bioactive components of S. anguivi, a vegetal fruit with many therapeutics functionalities, was attenuated on interaction with dietary bivalent metallic ions with concomitant augmentation of antioxidant activity. ABSTRACT Bioactive components of S.
Daramola Bode
wiley   +1 more source

The role of additives in the film formation kinetics of active layers in organic solar cells: From in situ characterization to mechanistic elucidation

FlexMat, EarlyView.
This review highlights the critical regulatory role of liquid and solid additives in the film formation kinetics of organic solar cells (OSCs) active layer. Real‐time in situ characterization technology techniques (in situ UV‐Vis, PL, GIWAXS, and GISAXS) are utilized to monitor the dynamic solution‐to‐solid transformation, revealing how additives ...
Yuanwei Zhao, Weichao Zhang, Tianyu Zhang, Jigui Tang, Yali Chen, Zheling Zhang, Dongjie Wang, Jian Zhang, Huiqiong Zhou   +8 more
wiley   +1 more source

The research progress in polyethylene oxide polymer electrolytes

FlexMat, EarlyView.
Polyethylene oxide (PEO) has become the mainstream matrix material for solid polymer electrolytes (SPEs) due to its excellent lithium salt complexation ability and processability. However, its high crystallinity results in low ionic conductivity at room temperature and difficulty in suppressing lithium dendrite growth, which significantly hinders the ...
Ying Wei, Yueting Pu, Zheng Zhang, Yang Li, Cheng Yang, Fangju Tao, Xinxin Han, Fangfang Wu, Linghai Xie   +8 more
wiley   +1 more source

Aloe vera in Food Preservation: Harnessing Bioactive Constituents for Clean‐Label Innovation and Safety Assurance

Food Safety and Health, EarlyView.
Aloe vera‐derived biopolymers and nanoformulations enhance antimicrobial, antioxidant, and barrier functions in clean‐label edible coatings and films, whereas safety‐critical anthraquinone thresholds and regulatory constraints shape their translational potential.
Acharya Balkrishna, Hemant Sharma, Sonam Verma, Amar Jeet, Sumit Kumar Singh, Sharad Kumar Tripathi, Vedpriya Arya   +6 more
wiley   +1 more source