Results 41 to 50 of about 2,138 (143)

Dynamic Modeling of Supercapacitor Self‐Discharge Through a Solar Cell in Photosupercapacitor Systems

physica status solidi (RRL) – Rapid Research Letters, Volume 20, Issue 11, November 2026.
In photosupercapacitor configurations, the supercapacitor discharges through the solar cell under dark conditions without load. If the supercapacitor voltage overcomes the threshold voltage of the cell (VSC > VON), the cell becomes forward‐biased and its impedance |Z| drops, allowing the flow of a reverse current.
Cinthia Cuevas‐Zapata, Asiel N. Corpus‐Mendoza, Ari Martín Vargas‐Sotomayor, Paola Gabriela Abrego‐Martinez, Francisco Enrique Cancino‐Gordillo   +4 more
wiley   +1 more source

Colombiains A–C, Three New Alkaloids From the Soft Coral‐Derived Fungus Cladosporium colombiae CSGL 10M10

Chemistry &Biodiversity, Volume 23, Issue 10, October 2026.
Three new alkaloids, colombiains A–C (1–3), together with eight known ones (4–11) were isolated from the soft coral‐derived fungus Cladosporium colombiae CSGL 10M10. Compounds 6 and 11 exhibited significant cardioprotective activity against OGD/R‐induced injury in H9c2 cardiomyocytes at 10 µM.
Jing Xie, Bing‐Bing Liu, Yang‐Ying Zheng, Jun‐Feng Huan, Xiao‐Yu Tian, Xiu‐Ping Lin, Hui‐Mei Xie, Yuan‐Yuan Cheng, Cui‐Xian Zhang   +8 more
wiley   +1 more source

Anti‐Browning and Prebiotic Effects of White Tea Extract on Fresh‐Cut Lotus Root

Food Science &Nutrition, Volume 14, Issue 10, October 2026.
PPO‐driven browning limits the shelf life of fresh‐cut lotus root. Lotus root PPO was identified and its 3D structure modeled, with catechin and caffeic acid as specific substrates binding via 8 and 5 hydrogen bonds, respectively. White tea extract inhibited PPO and delayed browning of lotus root slices. White tea‐treated lotus root exhibited prebiotic
Jingfang Li, Chuangkai Xing, Fan Jiang, Xiaoru Liu   +3 more
wiley   +1 more source

Towards Reaction Control: cis-Diastereoselective Reductive Dehydroxylation of 5-Alkyl-4-Benzyloxy-5-Hydroxy-2-Pyrrolidinones [PDF]

, 2012
通讯作者地址: Huang, PQA chemo-, regio-, and stereoselectively controlled reaction is highly desirable, yet challenging in organic synthesis. Diversely substituted cis and trans isomers of 2-alkyl-3-pyrrolidinols, 5-alkyl-4-hydroxy-2-pyrrolidinones, beta ...
叶剑良, Linfeng Xie, Jian-Liang Ye, Pei-Qiang Huang, Yu-Huang Wang, 黄培强, Wei Ou   +6 more
core  

Simple and Efficient Synthesis of Substituted 2-Pyrrolidinones, 2-Pyrrolones, and Pyrrolidines from Enaminones of Baylis−Hillman Derivatives of 3-Isoxazolecarbaldehydes^§,‡

, 2016
The enaminones, generated from derivatives of appropriately substituted Baylis−Hillman adducts of 3-isoxazolecarbaldehydes, undergo intramolecular ring-closure reactions to afford substituted 2-pyrrolidinones, 1,5-dihydro-2-pyrrolones, and N-substituted ...
Rashmi Saxena (2696164), Sanjay Batra (1613422), Vijay Singh (1439023)   +2 more
core   +2 more sources

Heterocycles via SiCl₄‑Promoted Isocyanide Additions to Oxonitriles

, 2023
SiCl4 promotes isocyanide additions to oxoalkenenitriles to selectively generate 3-acylpyrroles, 2-aminofurans, or pyrrolidinones. Cyclic oxoalkenenitriles add 2 equiv of an isocyanide that installs the two core atoms of an acylpyrrole and a nitrile ...
Fraser F. Fleming (1520524), Taylor M. Keller (9098751), James E. Allen (17356364), John Kornfeind (12432667)   +3 more
core   +2 more sources

Steric and Electronic Influences on the Diastereoselectivity of the Rh₂(OAc)₄-Catalyzed C−H Insertion in Chiral Ester Diazoanilides:  Synthesis of Chiral, Nonracemic 4-Substituted 2-Pyrrolidinones

, 2016
A series of N-substituted N-(4-methoxyphenyl)-α-(alkoxycarbonyl)-α-diazoacetanilides, 10 and ent-10, wherein the alkoxy unit is a chiral auxiliary group [(−)-7 or (+)-8)], was prepared.
Douglas D. McLeod (2297683), Andrew G. H. Wee (1393084), Baosheng Liu (3042366)   +2 more
core   +1 more source

Recent Applications of Propylene Carbonate as a Solvent in Sustainable Organic Synthesis

ChemSusChem, Volume 19, Issue 17, 14 September 2026.
This review evaluates propylene carbonate (PC) as a non‐toxic green solvent in organic synthesis, highlighting its performance in key reactions including cross‐couplings, asymmetric hydrogenations, peptide synthesis and biocatalysis. Across these processes, PC delivers yields comparable to conventional and alternative green solvents.
Laura G. Aguilar‐Sanchez, Christopher R. Jones   +1 more
wiley   +1 more source

Pyrrolidinones from the Ascomycete Fungus Albonectria rigidiuscula

, 2016
The new pyrrolidinones, rigidiusculamides A−D (1−4), have been isolated from the crude extract of the ascomycete fungus Albonectria rigidiuscula. The structures of these compounds were elucidated primarily by NMR experiments.
Shuchun Liu (2254618), Shubin Niu (1786336), Jian Li (41607), Wenying Zhuang (605842), Yongsheng Che (131901)   +4 more
core   +1 more source

Deterministic Fractal Plasmonic Metasurfaces for Broadband Mid‐Infrared Molecular Biosensing

Advanced Photonics Research, Volume 7, Issue 9, September 2026.
This image illustrates a sensing platform based on deterministic fractal plasmonic metasurfaces, designed to overcome the persistent trade‐off between sensitivity and spectral bandwidth in surface‐enhanced infrared absorption (SEIRA) spectroscopy. At the heart of the schematic is a hierarchical subwavelength gold aperture array featuring self‐similar ...
Xiangchao Zhu, Hoi‐Ying N. Holman
wiley   +1 more source