Results 91 to 100 of about 39,833 (328)

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

High‐Performance Air‐Stable Polymer Monolayer Transistors for Monolithic 3D CMOS logics

Advanced Materials, EarlyView.
A fibrillar polymer monolayer with a self‐confinement effect is demonstrated, in which aligned chains parallel the nanofiber axis. Employing a top‐gate CYTOP dielectric, this monolayer transistor achieves high mobility (7.12 cm2 V−1 s−1) and exceptional stability over 1260 days in air.
Miao Cheng, Yanqin Zhang, Jinyao Wang, Haonan Wang, Yifan Xie, Shuaidi Zhang, Changrui Liu, Jingyun Chu, Feng Zhang, Zhenzhong Yang, Zilong Zheng, Mingjian Wu, Ling Li, Mengmeng Li   +13 more
wiley   +1 more source

Tunable Sensitivity in PAN/CNF/PEDOT:PSS Nanofiber‐Based Piezocapacitive Sensors

Advanced Materials Interfaces, EarlyView.
This study demonstrates highly tunable, flexible pressure sensors made from a nanofibrous composite of polyacrylonitrile (PAN) and carbon nanofibers (CNF) or poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS). By adjusting filler type, concentration, and mat thickness, the sensors achieve large sensitivity improvements, stable ...
Alireza Gholamhoseini, Sheyda Mirjalali, Aisan Nouri, David Payne, Noushin Nasiri   +4 more
wiley   +1 more source

Hindered aryl bromides for regioselective palladium-catalysed direct arylation at less favourable C5-carbon of 3-substituted thiophenes

Beilstein Journal of Organic Chemistry, 2014
The use of the congested aryl bromide 2-bromo-1,3-dichlorobenzene as coupling partner allows to modify the regioselectivity of the arylation of 3-substituted thiophene derivatives in favour of carbon C5.
Rongwei Jin, Charles Beromeo Bheeter, Henri Doucet   +2 more
doaj   +1 more source

Identification of Trace Organic Components in the CR Chondrites by 4D TOFMS [PDF]

, 2007
This paper reports preliminary results of a 4D TOFMS study of CR chondrite organic material, highlighting the low-level organic species that may further reveal the complexity of parent body modification of interstellar ...
Gilmour, I., Morgan, G. H., Pearson, V. K., Perronnet, M., Turner, D.   +4 more
core  

One-Pot Synthesis of 2-(Aryl/Alkyl)amino-3-cyanobenzobthiophenes and Their Hetero-Fused Analogues by Pd-Catalyzed Intramolecular Oxidative C�H Functionalization/Arylthiolation [PDF]

, 2017
We have developed a high-yielding synthesis for substituted 2-(aryl/alkyl)amino-3-cyanobenzobthiophenes and their hetero-fused analogues by using a palladium-catalyzed intramolecular oxidative Câ H functionalization/arylthiolation reaction of in situ ...
Acharya, A., Gautam, V., Hiriyakkanavar, I., Pasha, M.A., Saraiah, B.   +4 more
core   +1 more source

Degradable Donor‐Acceptor Polymeric Mixed Ionic‐Electronic Conductors for Transient Electronics

Advanced Materials Technologies, EarlyView.
Here, we report degradable donor–acceptor (D–A) polymeric mixed ionic‐electronic conductors for transient electronics. We take a systematic side chain engineering approach to elucidate how molecular‐level modifications of donor–acceptor (D–A) polymer structures can satisfy demands that are often conflicting: degradability, charge carrier transport, and
Angela Lin, Zhichang Liu, Saroj Upreti, Stanley Lo, Nathan Sung Yuan Hsu, Xiaodan Gu, Sihong Wang, Helen Tran   +7 more
wiley   +1 more source

Rh(II)-mediated domino [4 + 1]-annulation of α-cyanothioacetamides using diazoesters: A new entry for the synthesis of multisubstituted thiophenes

Beilstein Journal of Organic Chemistry, 2017
A new approach towards the synthesis of multisubstituted thiophenes is elaborated based on Rh(II)-catalyzed domino reactions of acyclic diazoesters with α-cyanothioacetamides.
Jury J. Medvedev, Ilya V. Efimov, Yuri M. Shafran, Vitaliy V. Suslonov, Vasiliy A. Bakulev, Valerij A. Nikolaev   +5 more
doaj   +1 more source

Ein einfaches Verfahren zur Herstellung anellierter Thiophene [PDF]

, 1986
A simple method for the synthesis of fused thiophenes by reaction of agr-carboxymethyl substituted cyclic ketones withLawesson-reagent is described.
A. Ricci, B. S. Pedersen, B. S. Pedersen, B. S. Pedersen, C. R. Noe, C. R. Noe, Christian R. Noe, D. W. H. MacDowell, Ernst Wagner, L. Pitarch, M. J. Gula, Max Knollm�ller, N. W. Fadnavis, P. Cagniant, S. Gronowitz, S. Scheibye, S. Scheibye, T. Severin, T. Sotoyama, W. Langenbeck   +19 more
core   +1 more source

Organic Light‐Emitting Diode in Phototherapy Applications

Advanced Photonics Research, EarlyView.
This article systematically reviews the development of organic light‐emitting diodes (OLEDs) in phototherapy, constructs a technical framework, and establishes a multidimensional knowledge graph encompassing indications, wavelengths, and light intensity.
Yingguang Zhu, Yonglan Hu, Yingjie Cui, Lixue Guo, Guohui Zhang, Haixia Qiu, Defu Chen, Changyong Pan, Huijuan Yin, Suling Zhao   +9 more
wiley   +1 more source