Results 71 to 80 of about 7,252 (218)

Synthesis of spiro[dihydropyridine-oxindoles] via three-component reaction of arylamine, isatin and cyclopentane-1,3-dione

Beilstein Journal of Organic Chemistry, 2013
A fast and convenient protocol for the synthesis of novel spiro[dihydropyridine-oxindole] derivatives in satisfactory yields was developed by the three-component reactions of arylamine, isatin and cyclopentane-1,3-dione in acetic acid at room temperature.
Yan Sun, Jing Sun, Chao-Guo Yan
doaj   +1 more source

New bactericide derived from Isatin for treating oilfield reinjection water

Chemistry Central Journal, 2012
Isatin, an extract from Strobilanthes cusia (Nees) Kuntze, was the base for synthesizing derivatives that were screened for antibacterial activity against oilfield water-borne bacteria. The bacterial groups are sulfate reducing, iron and total.
Chen Gang, Su Hui-jun, Zhang Min, Huo Fang, Zhang Jie, Hao Xiao-jiang, Zhao Jing-rui   +6 more
doaj   +1 more source

Efficient synthesis, biological evaluation, and docking study of isatin based derivatives as caspase inhibitors

Journal of Enzyme Inhibition and Medicinal Chemistry, 2020
In this paper, a new series of isatin-sulphonamide based derivatives were designed, synthesised and evaluated as caspase inhibitors. The compounds containing 1-(pyrrolidinyl)sulphonyl and 2-(phenoxymethyl)pyrrolidin-1-yl)sulphonyl substitution at C5 ...
Loghman Firoozpour, Lixin Gao, Setareh Moghimi, Parvin Pasalar, Jamshid Davoodi, Ming-Wei Wang, Zahra Rezaei, Armin Dadgar, Hoda Yahyavi, Massoud Amanlou, Alireza Foroumadi   +10 more
doaj   +1 more source

Biopharmaceutical studies of 3-substituted isatin derivatives.

Indian journal of experimental biology, 1991
The metabolic fate of isatin hydrazone (Ia), isatin-3-thiosemicarbazone (Ib), isatin-3-semicarbazone (Ic), isatin-3-phenylhydrazone (Id), isatin oxime (Ie) and 3-hydroxy-3-acetonyl oxindole (II) was studied in rabbits. The compounds were administered orally in the dose of 300 mg/kg body wt.
M, Alam, M, Ahmad, A, Rasheed, M, Saleem, M K, Javaid, S, Ikram   +5 more
openaire   +2 more sources

Stability of Lead‐Free Perovskite Solar Cells

Advanced Sustainable Systems, Volume 10, Issue 3, March 2026.
This review article discusses the very recent status of stability of lead‐free perovskite solar cells, possible challenges, fabrication techniques, the degradation mechanism of lead‐free PSCs affecting stability, possible causes hindering the simultaneous improvement of efficiency and stability of lead‐free PSCs, potential outlook, and future research ...
Pranta Barua, Naveen Kumar Elumalai, Ashraf Uddin, Prashant Sonar, Kannoorpatti Krishnan   +4 more
wiley   +1 more source

Microwave Assisted Synthesis and Antimicrobial Potential of Quinoline- Based 4-Hydrazide-Hydrazone Derivatives [PDF]

, 2018
Quinoline is a benzo-fused pyridine which is a therapeutically important heterocycle in medicinal chemistry research and new drug development. A series of 12 new hydrazide-hydrazone motifs bearing quinoline core 4a–l was successfully synthesized by ...
Afzal, Ajani, Ajani, Almansour, Arafa, Baptiste, Bingul, Brouet, Chen, Chung, Cihan-Üstündağ, Gopinath, Gupta, Kannappan, Kharb, Kumar, Ladhani, Nair, Pandeya, Phopin, Russell, Sloop, Sonawane, Tehrani, Verma, Wang, Zhang   +26 more
core   +1 more source

Thermoelectric Properties of a Family of Benzodifuranone‐Based Conjugated Copolymers in Oriented Thin Films Doped Sequentially With NDMBI‐H

Advanced Electronic Materials, Volume 12, Issue 6, 23 March 2026.
Combining high polymer orientation of n‐type copolymers by temperature rubbing and sequential doping with N‐DMBI results in a strong improvement of electrical conductivity and thermoelectric power factors reaching up to 9.8 ± 1.6 S cm−1 and 8 ± 3 µW m−1.K2, respectively.
Shubhradip Guchait, Diego R. Hinojosa, Nathan James Pataki, Said Oummouch, Laurent Herrmann, Mario Caironi, Michael Sommer, Martin Brinkmann   +7 more
wiley   +1 more source

Synthesis of new functionalized thiazolo pyridine-fused and thiazolo pyridopyrimidine-fused spirooxindoles via one-pot reactions

Heliyon, 2020
A sequential multi-component reaction of the nitroketene dithioacetals, cysteamine hydrochloride, isatin and different CH-acids is described. This efficient method provides new functionalized thiazolo pyridine-fused spirooxindoles and thiazolo ...
Shima Nasri, Mohammad Bayat, Hassan Vasheghani Farahani, Solmaz Karami   +3 more
doaj   +1 more source

Light-stable silver N-Heterocyclic carbene catalysts for the alkynylation of ketones in air [PDF]

, 2015
The authors gratefully acknowledge the Royal Society (University Research Fellowship to C.S.J.C) for funding.N-Heterocyclic carbene (NHC) silver(I) complexes were efficiently employed in the alkynylation of ketones.
Anand, Aponick, Asano, Boogaerts, Bunnelle, Cadierno, Chinkov, Corbett, Correia, Cozzi, Daugulis, Deng, Dhondi, Dong, Díez-González, Emmerson, Frantz, Fu, Gaillard, Galliford, Gooßen, Hashmi, He, Huang, Imaizumi, Jiang, Lazreg, Lazreg, Lazreg, Lu, Marion, Marti, Mohammadi, Motoki, Pierce, Pu, Rasmussen, Rizzo, Roethle, Siemsen, Singh, Sonye, Suchý, Takita, Takita, Trost, Trost, Trost, Wei, Yao, Ye, Young, Zhang, Zhang, Zhang   +54 more
core   +2 more sources

Interplay of Backbone Conformation, Morphology and Thermoelectric Properties of Benzodifuranone‐Isatin Acceptor Polymers

Advanced Electronic Materials, Volume 12, Issue 6, 23 March 2026.
Modification of polymer backbone via halogenation and comonomer selection leads to conjugated backbones of different stereoelectronic properties, thin film morphologies, and electrical characteristics. The interplay of conformational isomerism, coplanarity, backbone curvature, backbone orientation, and ordering in thin films, electrical conductivity ...
Diego R. Hinojosa, Nathan J. Pataki, Francesca Pallini, Guillaume Freychet, Andreas Erhardt, Kevin Schuller, Selina Olthof, Klaus Meerholz, Christopher R. McNeill, Mario Caironi, Florian Günther, Michael Sommer   +11 more
wiley   +1 more source