Results 71 to 80 of about 1,712,028 (279)

Illumination‐Dependent Interfacial Recombination in Perovskite Photovoltaics Driven by Trap States in Metal Oxide Electron Transport Layers

Advanced Science, EarlyView.
Changes in light intensity impact trap states introduced at the metal oxide/perovskite interface. Comparing SnO2, TiO2 and ZnO electron transport layers reveals high interfacial trapping and recombination under high‐light, while bulk defects become more dominant under low‐light.
Tianhao Lan, Joel Luke, Oskar J. Sandberg, Charlie Henderson, Ying Sun, Katherine Stewart, Ji‐Seon Kim   +6 more
wiley   +1 more source

Targeting Mitochondrial Redox Signaling Promotes Neuroregeneration and Functional Recovery in a Multiple Sclerosis Model

Advanced Science, EarlyView.
Modulation of mitochondrial redox signaling by furapyrrodole activates CYB5R3 and suppresses Notch signaling, unlocking the regenerative potential of endogenous neural progenitor cells. This approach promotes neurogenesis, oligodendrogenesis, and remyelination, thereby improving neuronal function in a mouse model of multiple sclerosis and identifying ...
Yuki Narushima, Joshua Saylor, Shun Saito, Jinyan Zhou, Haruka Kawano, Shehata Anwar, Haruki Oba, Rachel Huezo, Miyu Okano, Haruki Matsuda, Makoto Kawatani, Kaori Honda, Hiroyuki Osada, Yuta Kikuchi, Masahito Ohue, Masami Ishibashi, Takayoshi Arai, Makoto Inoue, Midori A. Arai   +18 more
wiley   +1 more source

Stereoselective synthesis of spiro tricyclic polyoxygenated compounds. Solvolytic behavior of 1-tosyloxymethyl-spiro[2.4]hepta-4,6-diene

, 2011
International audienceThe Diels-Alder reaction of spirobicyclic cyclopentadiene derivatives, prepared by reaction of cyclopentadienyllithium and epichlorohydrin, with maleic anhydride gave a simple access to spiro tricyclic polyoxygenated compounds of ...
Giorgi, Michel, Doucet, Henri, Reynaud, Céline, Céline Reynaud, Henri Doucet, Michel Giorgi, Maurice Santelli, Santelli, Maurice   +7 more
core   +1 more source

Rationalized design, synthesis and pharmacological screening of amino acid linked spiro pyrrolidino oxyindole analogs through environment friendly reaction

Journal of Advanced Pharmaceutical Technology & Research, 2013
Introduction: The development of newer synthetic approaches toward the synthesis of polynuclear heteroaromatics and their application in the synthesis of some biologically active compounds has been discussed in this study.
Sanjit Kumar Das, Sanjib Bhattacharya, Amit Kundu   +2 more
doaj   +1 more source

Antibacterial Properties of 3 H-Spiro[1-benzofuran-2,1’-cyclohexane] Derivatives from Heliotropium filifolium

Molecules, 2008
A re-examination of cuticular components of Heliotropium filifolium allowed the isolation of four new compounds: 3’-hydroxy-2’,2’,6’-trimethyl-3H-spiro[1-benzo-furan-2,1’-cyclohexane]-5-carboxylic acid(2), methyl 3†...
Marcela Wilkens, Marcos C. Rezende, Javier Echeverría, Alejandro Urzúa   +3 more
doaj  

The Concise Synthesis of Spiro-Cyclopropane Compounds via the Dearomatization of Indole Derivatives

, 2014
A concise synthesis of spiro-cyclopropane compounds from indole derivatives and sulfur ylides has been developed via a dearomatization strategy.
Wu, Bo, Chen, Mu-Wang, Zhou, Yong-Gui, Luo, Jing, Jiang, Guo-Fang   +4 more
core   +1 more source

Accelerating green heterocyclic synthesis: Convergence of AI, automation, and sustainable chemistry

Bulletin of the Korean Chemical Society, EarlyView.
Green heterocyclic synthesis and data‐driven tools such as AI, high‐throughput experimentation, continuous flow, and self‐driving laboratories have developed largely in parallel. This review connects them and asks how green metrics such as E‐factor and PMI might serve as explicit optimization targets rather than post‐hoc measures, toward sustainable ...
Noor Aisyah Ahmad Shah, Amirreza Mottafegh, Su‐Hyun Yoo, Jongwoon Kim, Minseon Byeon, Juhwan Noh, Yea‐Lee Lee, Jin Suk Myung, Gwang‐Noh Ahn   +8 more
wiley   +1 more source

Synthesis and evaluation of novel spiro derivatives for pyrrolopyrimidines as anti-hyperglycemia promising compounds

, 2018
Pyrrolopyrimidin-4-ylidene-malononitriles IIa–d were prepared as important intermediates for preparation of a new series of spiro-pyrrolopyrimidines.
Samar Said Fatahala (5153948), Heba Taha (5153957), Heba Taha, Shahenda Mahgub, Samar Said Fatahala, Shahenda Mahgub (5153954), Rania Helmy Abd-El Hameed (5153951), Rania Helmy Abd-El Hameed   +7 more
core   +1 more source

Graphene Materials for Sustainable Energy Applications: A Contemporary Perspective

Carbon Energy, EarlyView.
ABSTRACT Graphene has garnered significant attention as a promising material with great potential for contributing to sustainable energy initiatives, such as RE100 (100% renewable energy initiative) and CF100 (100% carbon‐free initiative). This review aims to explore the potential of graphene for advancing renewable energy applications by highlighting
Niraj Kumar, Seul‐Yi Lee, Roop L. Mahajan, Soo‐Jin Park   +3 more
wiley   +1 more source

Highly congested spiro-compounds via photoredox-mediated dearomative annulation cascade. [PDF]

Commun Chem, 2022
Zhou C, Shatskiy A, Temerdashev AZ, Kärkäs MD, Dinér P.   +4 more
europepmc   +1 more source