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Journal articles on the topic '7-Diethylamino-4-methyl coumarin'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Ibrahim, A. A., O. M. Yahya, and M. A. Ibrahim. "Theoretical Prediction of Possible Drug Treatment of COVID-19 using Coumarins Containing Chloroquine Moeity." Asian Journal of Chemistry 32, no. 12 (2020): 3120–26. http://dx.doi.org/10.14233/ajchem.2020.22914.

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Chloroquine was theoretically reacted with the coumarin compound. Two compounds viz. [N-(7-chloroquinolin-4-yl)-N-(5-(diethylamino)-pentan-2-yl)-4-methyl-2-oxo-2H-chromene-7- sulfonamide] (3) and [N-(7-chloroquinolin-4-yl)-N-(5-(diethylamino)pentan-2-yl)-4-methyl-2-oxo- 2H-chromene-6-sulfonamide] (4) were suggested. The results showed that compound 4 may influence the COVID-19 treatment. The physico-chemical parameters were determined through theoretical calculations by using Hartree-Fock at different basis sets (6-31G), (STO/3G) and the semi-empirical (AM1) method. The calculations demonstrat

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2

Ramalingam, A., B. M. Sivaram, P. K. Palanisamy, and V. Masilamani. "Photophysics of TICT states of 7-diethylamino-4-methyl coumarin dye by energy transfer techniques." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 56, no. 6 (2000): 1205–10. http://dx.doi.org/10.1016/s1386-1425(99)00222-x.

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3

Wang, Xiaolong, Jingjing Zhou, Fang Yang, Ziyan Xue, and Niansheng Xu. "Concise Synthesis and Fluorescent Properties of Coumarin-30 and Its Isomer 7-(diethylamino)-4-(1-methyl-1H-benzimidazol-2-yl)Coumarin." Journal of Chemical Research 40, no. 10 (2016): 604–6. http://dx.doi.org/10.3184/174751916x14738553653270.

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4

Rajeev, Sonam, and M. Husain Mudassir. "Solvent effect on coumarin dye Calculation of ground and excited state dipole moments." Journal of Indian Chemical Society Vol. 88, Oct 2011 (2011): 1541–46. https://doi.org/10.5281/zenodo.5790618.

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Physics Section, Department of Applied Sciences & Humanities, Faculty of Engineering & Technology, Jamia Millia Islamia (a Central University), New Delhi-110 025, India <em>E-mail</em> : mmudassirh@rediffmail.com Fax : 91-11-26988816 Sardar Vallabbhai National Institute of Technology (SVNIT), Surat, Gujarat, India <em>Manuscript received 31 August 2010, revised 02 March 2011, accepted 17 March 2011</em> Absorption and fluorescence spectra of 7-diethylamino-4-methyl coumarin in polar and non-polar solvents have been studied. The excited state dipole moment (μe) has been found to be m

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5

Husain, Mohd Mudassir, Rajeev Sindhu, and Harmesh Chander Tandon. "Photophysical properties and estimation of ground and excited state dipole moments of 7-diethylamino and 7-diethylamino-4-methyl coumarin dyes from absorption and emission spectra." European Journal of Chemistry 3, no. 1 (2012): 87–93. http://dx.doi.org/10.5155/eurjchem.3.1.87-93.519.

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6

Morlet-Savary, F., C. Ley, P. Jacques, and J. P. Fouassier. "Photophysics of a Bridged 7-Diethylamino-4-methyl-coumarin C102: Studying the Hydrogen Bonding Effect by Time Resolved Stimulated Emission." Journal of Physical Chemistry A 105, no. 49 (2001): 11026–33. http://dx.doi.org/10.1021/jp010753n.

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7

Yang, Jie, Chaojun Ren, Min Liu, et al. "A Novel Dye-Modified Metal–Organic Framework as a Bifunctional Fluorescent Probe for Visual Sensing for Styrene and Temperature." Molecules 28, no. 13 (2023): 4919. http://dx.doi.org/10.3390/molecules28134919.

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A novel fluorescent probe (C460@Tb-MOFs) was designed and synthesized by encapsulating the fluorescent dye 7-diethylamino-4-methyl coumarin (C460) into a terbium-based metal–organic framework using a simple ultrasonic impregnation method. It is impressive that this dye-modified metal–organic framework can specifically detect styrene and temperature upon luminescence quenching. The sensing platform of this material exhibits great selectivity, fast response, and good cyclability toward styrene detection. It is worth mentioning that the sensing process undergoes a distinct color change from blue

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8

Hakim, G., D. Fiorentini, A. Falasca, M. Prosdocimi, and C. A. Rossi. "Effect of AD6 (8-monochloro-3-beta-diethylamino-ethyl-4-methyl-7-ethoxycarbonylmethoxy coumarin) on cyclic nucleotide phosphodiesterases in human platelets." Experientia 44, no. 3 (1988): 226–28. http://dx.doi.org/10.1007/bf01941715.

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9

Lakhera, Shradha, Meenakshi Rana, Vivek Dhuliya, L. P. Purohit, A. Dhanusha, and T. C. Sabari Girisun. "Enhanced nonlinear optical and optical limiting responses of 7-diethylamino-4-methyl coumarin functionalized with silver nanoparticles: A combined experimental and DFT study." Journal of Photochemistry and Photobiology A: Chemistry 457 (December 2024): 115910. http://dx.doi.org/10.1016/j.jphotochem.2024.115910.

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10

Porcellati, S., V. Costantini, M. Prosdocimi, et al. "AD6(8-monochloro-3-beta-diethylamino-ethyl-4-methyl-7-ethoxycarbonyl-methoxy coumarin) Inhibits the release of arachidonic acid in human platelets stimulated by thrombin." Thrombosis Research 47, no. 1 (1987): 15–24. http://dx.doi.org/10.1016/0049-3848(87)90236-2.

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11

WONG, KOK TONG, and NORAZAH BASAR. "COUMARINS VIA KNOEVENAGEL CONDENSATION REACTION (KCR) AND PECHMANN CONDENSATION REACTION." Jurnal Teknologi 57, no. 1 (2012). http://dx.doi.org/10.11113/jt.v57.1525.

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Knoevenagel condensation reaction (KCR) and Pechmann condensation reaction are the simplest and most widely used method to synthesize various substituted coumarins. The compounds such as 3–acetylcoumarin, 3–acetyl–7–(diethylamino)coumarin, and 7–(diethylamino)–3–(1–oxobutyl)coumarin were synthesized by KCR method which involved the condensation of salicylaldehyde or 4–(diethylamino)salicylaldehyde with ethyl acetoacetate, 4–(diethylamino)– salicylaldehyde with ethyl butyrylacetate in the presence of dimethylamine as a catalyst. Meanwhile, 7–hydroxy–4–methylcoumarin, 4–methyl–2H–benzo[h]chromen

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12

Lakhera, Shradha, Kamal Devlal, Meenakshi Rana, et al. "Two-photon absorption and optical limiting in 7-diethylamino-4-methyl coumarin." Journal of Photochemistry and Photobiology A: Chemistry, October 2023, 115216. http://dx.doi.org/10.1016/j.jphotochem.2023.115216.

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13

Thanh Truc, Le Thi, Nguyen Ngoc Huyen Tran, Nguyen Van Thoi, Nguyen Van Hue, Nguyen Thi Hong Anh, and Tran Nguyen Minh An. "TWO NOVEL COUMARIN COMPOUNDS: SYNTHESIS, IN VITRO ANTIBACTERIAL ANTICANCER, AND IN SILICO DOCKING AND MOLECULAR DYNAMICS." Química Nova, 2025. http://dx.doi.org/10.21577/0100-4042.20250060.

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Coumarin derivatives possess diverse biological activities, encompassing antibacterial, antifungal, anticancer, antidiabetic, antiinflammatory, and antioxidant effects. This study concentrates on the synthesis of two new coumarins: the first derived from rhizomes of Luvunga scandens and the second from 7-(diethylamino)-4-methyl-2H-chromen-2-one via bromination facilitated by NBS (N-bromosuccinimide) reagent. Their antibacterial and anticancer properties were evaluated in vitro, alongside in silico docking targeting the chromen-2-one group. Bromination of compound 1 yielded novel compound 2, wh

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14

Bollu, Amarnath, Helena Schepers, Nils Klöcker, Mehmet Erguven, Ann-Marie Lawrence-Dörner, and Andrea Rentmeister. "Visible Light Activates Coumarin‐Caged mRNA for Cytoplasmic Cap Methylation in Cells." Chemistry – A European Journal, October 26, 2023. http://dx.doi.org/10.1002/chem.202303174.

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Protein synthesis is important and regulated by various mechanisms in the cell. Translation initiation in eukaryotes starts at the 5′ cap and is the most complex of the three phases of mRNA translation. It requires methylation of the N7 position of the terminal guanosine (m7G). The canonical capping occurs in the nucleus, however, cytoplasmic recapping has been discovered. It functions in switching mRNAs between translating and non‐translating states, but the individual steps are difficult to dissect. We targeted cytoplasmic cap methylation as the ultimate step of cytoplasmic recapping. We pre

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15

Lakhera, Shradha, Meenakshi Rana, and Kamal Devlal. "Comprehensive quantum chemical study of the associative complex of para-aminobenzoic acid and 7-diethylamino 4-methyl coumarin by adsorption and aromatic bridges." Journal of Molecular Modeling 30, no. 2 (2024). http://dx.doi.org/10.1007/s00894-023-05816-w.

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