Results 31 to 40 of about 25,157 (251)

Synthesis, spectral correlation and insect antifeedant activities of some 2-benzimidazole chalcones

Journal of Saudi Chemical Society, 2016
Some substituted styryl 2-benzimidazole ketones have been synthesised by fly-ash:H2SO4 catalysed aldol condensation of 2-benzimidazole methyl ketone and various substituted benzaldehydes in microwave oven. The yields of these chalcones are more than 70%.
P. Janaki, K.G. Sekar, G. Thirunarayanan
doaj   +1 more source

Reaction of Chalcones with Cellular Thiols. The Effect of the 4-Substitution of Chalcones and Protonation State of the Thiols on the Addition Process. Diastereoselective Thiol Addition

Molecules, 2021
Several biological effects of chalcones have been reported to be associated with their thiol reactivity. In vivo, the reactions can result in the formation of small-molecule or protein thiol adducts.
Fatemeh Kenari, Szilárd Molnár, Pál Perjési   +2 more
doaj   +1 more source

BIOLOGICAL ACTIVITIES AND NOVEL APPLICATIONS OF CHALCONES [PDF]

Planta Daninha, 2016
This review provides information on the biological activities of chalcones (whether natural or synthetic derivatives) on different organisms, as well as an overview of the functions and possible new applications of these plant secondary metabolites on ...
C. DÍAZ-TIELAS, E. GRAÑA, M.J. REIGOSA, A.M. SÁNCHEZ-MOREIRAS   +3 more
doaj   +2 more sources

Phthalocyanine-chalcone conjugates

Journal of Porphyrins and Phthalocyanines, 2016
A phthalocyanine-chalcone conjugate was previously reported to retain the full photodynamic activity of the phthalocyanine and a slightly lowered antivascular effect of the chalcone. Assuming that it was due to an insufficient release of the chalcone, we described here several grafting modes applied to the preparation of phthalocyanine-chalcone ...
Aribi, Fallia, Vey, Charlene, Topkaya, Derya, Kostakoglu, Sinem Tuncel, Fournier-Dit-Chabert, Jérémie, Büyükekşi, Sebile Işik, Taşkin, Gökçe Canan, Alpugan, Serkan, Albrieux, Florian, Gürek, Ayşe Gül, Cucca, Mélissa, Bennis, Khalil, Atilla, Devrim, Ahsen, Vefa, Ducki, Sylvie, Dumoulin, Fabienne   +15 more
openaire   +3 more sources

Antiviral and antioxidant activity of a hydroalcoholic extract from Humulus lupulus L. [PDF]

, 2018
A hydroalcoholic extract from female inflorescences of Humulus lupulus L. (HOP extract) was evaluated for its anti-influenza activity. The ability of the extract to interfere with different phases of viral replication was assessed, as well as its effect ...
Carissimi, Stefania, Celestino, Ignacio, Checconi, Paola, DE ANGELIS, Marta, DI GIACOMO, Silvia, DI SOTTO, Antonella, Limongi, Dolores, Locatelli, Marcello, Martinoli, Lucia, Nencioni, Lucia, Palamara, ANNA TERESA, Rossi, Valeria, Toniolo, Chiara   +12 more
core   +1 more source

Chalcones to control Alternaria alternata in murcott tangor fruits

Bioscience Journal, 2016
Alternaria brown spot (ABS), caused by the fungus Alternaria alternata pathotype tangerine, is one of the main phytosanitary problems for mandarin growers.
Renato Barbosa Camargos, Fabiano José Perina, Daniel Diego Costa Carvalho, Eduardo Alves, Alessandra Mascarello, Louise Domeneghini Chiaradia-Delatorre, Rosendo Augusto Yunes, Ricardo José Nunes, Denilson Ferreira Oliveira   +8 more
doaj   +3 more sources

Machine Learning Accelerates Crystallization for Structure Determination

Angewandte Chemie, EarlyView.
Single‐crystal x‐ray diffraction (SCXRD) is often constrained by the difficulty of obtaining suitable crystals. Here, a machine learning‐accelerated co‐crystal discovery workflow is established for a crystalline mate strategy that achieves over 95% prediction accuracy and experimentally delivers 114 co‐crystals from 120 candidates.
Cui‐Zhou Luan, Xue‐Zhi Wang, Jian‐Guo Song, Yu Gu, Jing Wu, Ye‐Ting Wang, Jin‐Feng Liang, Jia‐Le Rao, Mo Xie, Jonathan R. Nitschke, Dan Li   +10 more
wiley   +2 more sources

Anticancer efficacy of phenolics based structurally related compounds and their radical scavenging action [PDF]

, 2011
Cancer, one of the leading causes of death worldwide, is an abnormal cell proliferation that fails to respond to the normal signals. In an effort to eradicate the growing menace of cancer, a clear understanding of fundamental biology and molecular ...
Arvind S. Negi, Nusrat Masood, Suaib Luqman, Vijaya Dubey   +3 more
core   +2 more sources

Strategies Toward Accessing Enantioenriched (Hetero)Benzo‐Fused 5‐ and 6‐ Membered Rings via Intermolecular Carbometalation

Angewandte Chemie, EarlyView.
The use of transition‐metal catalysts and design of chiral ligands have allowed chemists to access highly functionalized benzofused 5‐ and 6‐ membered rings in high yield and enantioselectivity. A common strategy used relies on an intermolecular carbometalation across alkynes and olefins, usually followed by a subsequent intramolecular carbometalation.
Clara Jans, Armaan Grewal, Xavier Abel‐Snape, Mark Lautens   +3 more
wiley   +2 more sources

Identification and Functional Characterization of Fungal Chalcone Synthase and Chalcone Isomerase

Journal of Natural Products, 2023
By mining fungal genomic information, a noncanonical iterative type I PKS fused with an N-terminal adenylation-thiolation didomain, which catalyzes the formation of naringenin chalcone, was found. Structural prediction and molecular docking analysis indicated that a C-terminal thioesterase domain was involved in the Claisen-type cyclization.
Sho Furumura, Taro Ozaki, Akihiro Sugawara, Yohei Morishita, Kento Tsukada, Tatsuya Ikuta, Asuka Inoue, Teigo Asai   +7 more
openaire   +2 more sources