Synthesis and Vasorelaxant Activity of Nitrate−Coumarin Derivatives
Sign Up to like & getrecommendations! Published in 2022 at "Chemmedchem"
DOI: 10.1002/cmdc.202200476
Abstract: Due to the need for new chemical entities for cardiovascular diseases, we have synthesized a new series of nitrate−coumarins and evaluated their vasorelaxant activity in contraction‐relaxation studies using rat aorta rings precontracted with phenylephrine or… read more here.
Keywords: nitrate; coumarin; activity nitrate; vasorelaxant activity ... See more keywords
Nanoarchitectonics with Positionally Isomeric Coumarin Carbamates: Structure-Gelation Study, F- Recognition, Dye Removal and Excellent Oil-Spill Recovery.
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DOI: 10.1002/cplu.202200270
Abstract: Coumarin carbamates with cholesteryl group 1 and 2 have been designed, synthesized and characterized. The isomeric compounds show different gelation behaviors in organic solvents such as toluene and CH3 CN. Rheological studies reveal the different… read more here.
Keywords: spill recovery; gelation; coumarin; oil spill ... See more keywords
Mono- and Dinuclear Gold(I) Coumarin Complexes: Luminescence Studies and Singlet Oxygen Production.
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DOI: 10.1002/cplu.202300020
Abstract: The 4-(thiolmethyl)-7-(diethylamino)-2H-chromen-2-one ligand has been synthesized and used as chromophore in several mono- and dinuclear gold(I) compounds that contain a phosphane at the second coordination position. Four final products were able to obtain in pure… read more here.
Keywords: dinuclear gold; coumarin; mono dinuclear; gold ... See more keywords
An Efficient One-Pot Synthesis of New Coumarin Derivatives as Potent Anticancer Agents under Microwave Irradiation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Heterocyclic Chemistry"
DOI: 10.1002/jhet.2975
Abstract: An efficient and rapid synthesis of coumarin derivatives was accomplished via reactions of 3-(3-(4-methoxyphenyl)acryloyl)-2H-chromen-2-one (3) with different carbon nucleophiles such as ethyl acetoacetate, ethyl cyanoacetate, malononitrile, and ethyl benzoylacetate via conventional heating and microwave irradiation… read more here.
Keywords: microwave irradiation; coumarin; efficient one; coumarin derivatives ... See more keywords
Photoreversibility and Biocompatibility of Polydimethylsiloxane-Coumarin as Adjustable Intraocular Lens Material.
Sign Up to like & getrecommendations! Published in 2017 at "Macromolecular bioscience"
DOI: 10.1002/mabi.201600495
Abstract: Polydimethylsiloxane (PDMS) constitutes an interesting material for a variety of biomedical applications, especially as intraocular lenses (IOLs), for its excellent transparency. In this work, a photoreversible PDMS-coumarin network, whose shape and properties can be adjusted… read more here.
Keywords: coumarin; polydimethylsiloxane coumarin; biocompatibility polydimethylsiloxane; photoreversibility biocompatibility ... See more keywords
The mechanism of coumarin inhibits germination of ryegrass (Lolium perenne) and its application as coumarin-carbon dots nanocomposites.
Sign Up to like & getrecommendations! Published in 2023 at "Pest management science"
DOI: 10.1002/ps.7397
Abstract: BACKGROUND As an important plant allelochemical, coumarin can effectively inhibit the germination of various seeds. However, little is known about the mechanism of coumarin on weed seed germination. Moreover, the herbicidal activity of coumarin is… read more here.
Keywords: ryegrass; coumarin; activity; seed ... See more keywords
A detailed comparative study on electrical and photovoltaic characteristics of Al/p-Si photodiodes with coumarin-doped PVA interfacial layer: the effect of doping concentration
Sign Up to like & getrecommendations! Published in 2019 at "Polymer Bulletin"
DOI: 10.1007/s00289-019-02704-3
Abstract: In this study, three different poly(vinyl alcohol) (PVA) films doped with weight percentages of 0.05, 0.10 and 0.20 coumarin were coated on p-Si wafer via spin-coating method for the purpose of investigating the interaction of… read more here.
Keywords: coumarin; doped pva; study; coumarin doped ... See more keywords
A New Furan-Coumarin from Clausena lansium
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DOI: 10.1007/s10600-019-02709-4
Abstract: A new furan-coumarin, claulancoumarin (1), together with a known coumarin, clausenalansimin A (2), were isolated from the branches and leaves of Clausena lansium. Their structures were elucidated by spectroscopic analysis, including high-resolution mass spectroscopy, and… read more here.
Keywords: clausena lansium; coumarin; furan coumarin; new furan ... See more keywords
Dual Fluorescence and Solvatochromic Study on 3-Acyl Coumarins
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DOI: 10.1007/s10895-017-2052-z
Abstract: AbstractElectronic absorption and emission spectra of 3-acetyl coumarin, 3-(bromoacetyl) coumarin and 3-(di bromoacetyl) coumarin have been recorded at room temperature in thirteen solvents with different polarities. Both ground and excited state dipole moments have been… read more here.
Keywords: excited state; coumarin; fluorescence; dual fluorescence ... See more keywords
Synthesis of New Flexible Coumarin Dimers for Sodium and Potassium Differentiation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluorescence"
DOI: 10.1007/s10895-020-02492-4
Abstract: Using fluorescence to detect biologically relevant metals has been studied extensively due to its rapid and low detection limit ability. Sodium and potassium differentiation is significant in diagnosis of many medical conditions. For this, we… read more here.
Keywords: potassium differentiation; potassium; sodium potassium; coumarin ... See more keywords
Substituent Effect on AIE mechanism of two coumarin derivatives: uncommon TICT fluorescence in aggregation state.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of fluorescence"
DOI: 10.1007/s10895-022-02933-2
Abstract: Two coumarin derivatives, 7-diethylamino-3-(4-nitrophenyl)coumarin (DNC) and 7-hydroxy-3-(4-nitrophenyl)coumarin (HNC), were synthesized via Knoevenagel condensation of salicylaldehyde derivatives with 4-nitrophenylacetonitrile and then cyclization reaction. Both of them were characterized by single-crystal X-ray diffraction. The molecules of DNC… read more here.
Keywords: aie; two coumarin; coumarin; fluorescence ... See more keywords