Results 101 to 110 of about 80,380 (385)

Synthesis and photochromic behaviour of new methyl induced linear and angular thieno-2H-chromenes [PDF]

, 2003
New methyl induced linear and angular thieno-2H-chromenes 4, 5 and 6 were prepared by reaction of new methylated 6-hydroxybenzo[b]thiophenes 2 (a, b and c) and propargylic alcohols 3a and 3b, using acidic Alumina Brockmann I as catalyst and drying agent.
Aubard, Jean, Dubest, Roger, Guglielmetti, Robert J., Plasencia, Paula M. S., Queiroz, Maria João R. P.   +4 more
core   +1 more source

Toward the 3rd Generation of Smart Farming: Materials, Devices, and Systems for E‐Plant Technologies

Advanced Functional Materials, EarlyView.
This review explores the latest developments in e‐plant technologies, which are revolutionizing smart farming by enabling real‐time monitoring of plant and environmental conditions. It covers the design, applications, and systems of e‐plant devices, detailing how they integrate data analytics to optimize agricultural practices, enhance crop yields, and
Daegun Kim, Jonghyun Won, Hyeongmin Park, Jun‐Gyu Choi, Sungjun Park, Giwon Lee   +5 more
wiley   +1 more source

Synthesis of beta-benzo[b]thienyldehydrophenylalanine derivatives by one pot palladium-catalyzed borylation and Suzuki coupling (BSC) and metal-assisted intramolecular cyclization: studies of fluorescence and antimicrobial activity [PDF]

, 2005
Palladium-catalyzed borylation and Suzuki coupling (BSC) in a one pot procedure was successfully applied to the synthesis of several beta-substituted dehydrophenylalanines in the benzo[b]thiophene series maintaining the stereochemistry of the starting ...
Abreu, Abreu, Abreu, Abreu, Baudoin, Baudoin, Begouin, Broutin, Cagniant, Demas, Dubest, Fery-Forges, Hawkey, Kirsch, Kirsch, Morris, Rameshkumar, Wolfe, Wolfe   +18 more
core   +2 more sources

Photoresponsive Gas‐Permeable Membranes: Fundamentals, Innovations, and Prospects

Advanced Functional Materials, EarlyView.
Photoresponsive gas‐permeable membranes can be potentially used for smart packing, carbon capture, hydrogen purification, and optical gas valves due to their remote and non‐contact activation, precise spatial and temporal control, and reversible switching capabilities.
Zhuan Wang, Qilin Li, Bart van der Bruggen, Zhen Jiang, David M. Cahill, Jingliang Li, Shuaifei Zhao   +6 more
wiley   +1 more source

Gaussian‐Sigmoid Reinforcement Transistors: Resolving Exploration‐Exploitation Trade‐Off Through Gate Voltage‐Controlled Activation Functions

Advanced Functional Materials, EarlyView.
The characteristics of a vertical n–p–i–p heterostructure transistor device, which exhibits a voltage‐tunable transition between Gaussian and sigmoid functions, are investigated. The mixed state of the transfer curve enables the utilization of both exploitation and exploration, improving computational performance in reinforcement learning tasks ...
Jisoo Park, Juhyung Seo, Ryun‐Han Koo, Dinithi Jayasuriya, Nethmi Jayasinghe, Wonjun Shin, Amit R. Trivedi, Hocheon Yoo   +7 more
wiley   +1 more source

Insights in the antioxidant activity of diarylamines from the 2,3-dimethylbenzo[b]thiophene through the redox profile [PDF]

, 2009
Cyclic voltammetry was used to evaluate the antioxidant activity of 7-aryl or 7-heteroarylamino-2,3-dimethylbenzo[b]thiophenes previously synthesized by some of us, comparing their oxidation potentials with those of the well-known synthetic standards ...
Abreu, Rui M.V., Falcão, Soraia, Ferreira, Isabel C.F.R., Queiroz, Maria João R.P., Vilas-Boas, Miguel   +4 more
core   +1 more source

π‐Bridge Engineering of Nonfullerene Acceptors for Organic Photodiodes: Extension of the Near Infrared Response Beyond 1200 nm

Advanced Functional Materials, EarlyView.
A π‐bridge engineering strategy enhances intramolecular charge transfer, enabling non‐fullerene acceptors to extend near‐infrared absorption beyond 1200 nm. The resulting organic photodiodes exhibit high detectivity and fast response. These high‐performance devices demonstrate practical potential in photoplethysmography and optical wireless ...
Meng Qiang Li, Minyoung Jeong, Byeongchan Park, Shabaz Alam, Jeongmin Lee, Hyunji Lee, Jaewon Lee, Kilwon Cho   +7 more
wiley   +1 more source

Novel thiophene derivatives with sulfonamide, isoxazole, benzothiazole, quinoline and anthracene moieties as potential anticancer agents

Acta Pharmaceutica, 2014
A novel series of thiophenes having biologically active sulfonamide 2-11, 3-methylisoxazole 12, 4-methoxybenzo[d] thiazole 13, quinoline 14, 15, benzoylphenylamino 16, and anthracene-9,10-dione 17 moieties were prepared.
Ghorab Mostafa M., Bashandy Mahmoud S., Alsaid Mansour S.   +2 more
doaj   +1 more source

Domino Synthesis of Tetrasubstituted Thiophenes from 1,3-Enynes with Mercaptoacetaldehyde.

Journal of Organic Chemistry, 2016
Domino synthesis of tetrasubstituted thiophenes is described from 1,3-enynes and mercaptoacetaldehyde using DABCO at room temperature via a Michael addition, 5-exo-dig carboannulation, and oxidation sequence under air.
G. Bharathiraja, G. Sathishkannan, T. Punniyamurthy   +2 more
semanticscholar   +1 more source

Analysis of Tagish Lake macromolecular organic material [PDF]

, 2001
Macromolecular material is, by far, the major organic component of meteorites. Flash pyrolysis GCMS has been used to investigate this organic component in Tagish Lake.
Gilmour, I., Pearson, V. K., Sephton, M. A.   +2 more
core