Twice as Nice: The Duff Formylation of Umbelliferone Revised [PDF]
More efficient and preferably more convenient and greener synthetic solutions in coumarin scaffold functionalization are in steady demand. The Duff ortho-formylation of unsubstituted umbelliferone was revised in this study. The reaction conditions were optimized based upon data from the literature analysis and resulted in unexpectedly rapid ortho ...
Vladislav V. Skarga +3 more
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Separation and identification of antibacterial chamomile components using OPLC, bioautography and GC-MS [PDF]
Components of 50% ethanolic chamomile (Matricaria recutica L.) flower extract, previously found antibacterial in a TLC-bioautographic study, were separated and isolated by the use of on-line OPLC, which consisted of an OPLC 50 BS system, an on-line ...
Héthelyi, Éva B. +5 more
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Two known coumarins, scopoletin (SP) and umbelliferone (UB), were isolated from Cortex Mori (CM). Their structures were elucidated by various spectroscopic analyses.
Yijun Liang +7 more
doaj +1 more source
Structural Characterization of Mono and Dihydroxylated Umbelliferone Derivatives [PDF]
Coumarin derivatives are a class of compounds with a pronounced wide range of applications, especially in biological activities, in the medicine, pharmacology, cosmetics, coatings and food industry. Their potential applications are highly dependent on the nature of the substituents attached to their nucleus.
Rubén Seoane-Rivero +8 more
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Enzymatic Studies of Glucuronide Formation in Impaired Liver I. Assay Methods For the Determination of Glucuronyl Transferase Activity and Uridine Diphosphate Glucuronic Acid Content of Liver Tissue Using 4-Methyl Umbelliferone as a Glucuronide Receptor; Its Application to Needle Liver Biopsy Tissues [PDF]
An attempt was made to apply the method devised by ARIAS for the determination of liver glucuronyl transferase activity using 4-methyl umbelliferone as a glucuronide receptor to the small amounts of liver tissue obtained by needle biopsy.
Taketa, Kazuhisa
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Umbelliferone Loaded Nanocarriers for Healthcare Applications
Background: Nanotechnology brings innovation in the healthcare sector and revolutionized the therapeutic domain in recent years. It provides better health facilities and bring advancement in the field of science and technology. Nanocarriers are extremely small structure and involve synthesis, designing, application of medicament in the size range of ...
Deepika Singh, Mahfoozur Rahman
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Chamomile, a well-known medicinal plant, is a rich source of bioactive compounds, among which two coumarin derivatives, umbelliferone and herniarin, are often found in its extracts.
Maja Molnar +4 more
doaj +1 more source
Antifungal activity of davanone-type sesquiterpenes from Artemisia lobelli var. conescens [PDF]
Five tetrahydrofuran sesquiterpenes, so-called davanones, and coumarin umbelliferone isolated from Artemisia lobelii All. var. canescens (DC) Briqu, were tested for antifungal activity. All the compounds inhibited the growth of the applied fungi.
Vajs Vlatka +5 more
doaj +1 more source
Umbelliferone exhibits extensive pharmacological activity, including anti-immunomodulatory, anti-inflammatory and antigenotoxicity activities. However, its antitumor properties still remain unclear in human renal cell carcinoma (RCC) cells.
Wang Xue +5 more
doaj +1 more source
Asymmetrical hybridization and gene flow between Eisenia andrei and E. fetida lumbricid earthworms [PDF]
Uniformly pigmented Eisenia andrei (Ea) and striped E. fetida (Ef) lumbricid earthworms are hermaphrodites capable of self-fertilization, cross-fertilization, and asymmetrical hybridization.
Bigaj, Janusz +3 more
core +1 more source

