Chemical Constituents of Essential Oil from Garcinia gaudichaudii and Its Antimicrobial Activity
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 23, 2024 Category: Chemistry Source Type: research
Chemical Constituents from Ferula samarkandica
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 23, 2024 Category: Chemistry Source Type: research
Index of Natural Objects
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 23, 2024 Category: Chemistry Source Type: research
Changes of Phospholipid Molecular Species Profile Upon Bleaching and Subsequent Restoration of Coral Sinularia heterospiculata
The cause of death of coral reefs is bleaching, which substantially changes the molecular species profile of membrane lipids phosphatidylethanolamines (PE), phosphatidylinositols (PI), and phosphatidylserines (PS). The total contents of PE, PS, and PI were found to increase statistically significantly upon restoration of partially bleached soft coralSinularia heterospiculata. The contents of PE ethers decreased during bleaching ofS. heterospiculata because they could act as protection from oxidative stress. The PE molecular species profile of restored coral returned to the control values. (Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
Modified Neoflavones Based on 7-Hydroxyneoflavone-6-Enamino Ketone and 7-Hydroxy-3-Hetarylbenzopyran-2- and 4-Ones Mannich Bases and Their Recyclization
The interaction of 7-hydroxyneoflavone-6-enamino ketone with 8-dialkylamino-7-hydroxy-3-hetarylbenzopyran-2- and 4-ones led to the formation of 10-methyl-4-phenyl-2H,6H-pyrano[3,2-g]-chromen-2,6-dione, which incorporated coumarin or chromone fragments at C-7 using a methylene linker. The recyclization of 7-[3-(1,3-benzothiazol-2-yl)-7-hydroxy-2-oxo-2H-8-chromenylmethyl]-10-methyl-4-phenyl-2H,6H-pyrano[3,2-g]chromene-2,6-dione and 7-[6-ethyl-7-hydroxy-3-(4-methyl-1,3-thiazol-2-yl)-4-oxo-4H-8-chromenylmethyl]-10-methyl-4-phenyl-2H,6H-pyrano[3,2-g]chromene-2,6-dione was investigated under the influence ofN,N- andN,O-binucleop...
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
New Acylated C,O-Glycosylflavones from Cucumis sativus
Seven new acylatedC,O-glycosylflavones were isolated from leaves ofCucumis sativus L. (Cucurbitaceae) variety Gele Tros. The new compounds were isovitexin 4 ′-O-glucoside-2 ′′-O-(6 ′′′′-O-caffeyl)-glucoside (cucumoside A), isovitexin 4 ′-O-glucoside-2 ′′-O-(2 ′′′′-O-caffeyl)-glucoside (cucumoside B), isovitexin 4 ′-O-(2 ′′′-O-caffeyl)-glucoside-2 ′′-O-glucoside (cucumoside C), isovitexin 4 ′-O-glucoside-2 ′′-O-(6 ′′′′-O-sinapoyl)-glucoside (cucumoside D), isovitexin 4 ′-O-glucoside-2 ′′-O-(2 ′′′′-O-sinapoyl)-glucoside (cucumoside E), isovitexin 4 ′-O-glu...
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
Two New Stilbenes from the Leaves and Stems of Bletilla striata and Their Anti-SARS-CoV-2 Activity
With the aim of screening more bioactivity metabolites, in this study, two new stilbenes, 5-methoxy-6-(4- methoxystyryl)benzofuran (1) and 6-(4-methoxystyryl)benzofuran-5-ol (2) were isolated from the leaves and stems ofBletilla striata. Their structures were established by their 1D, 2D NMR, and MS spectral data. Interestingly, the anti-SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) activity revealed that compound1 exhibited potential anti-SARS-CoV-2 activity with IC50 of 15.2 μM for the delta strain and 22.8 μM for the omicron BA.1 strain; compound2 also showed potential anti-SARS-CoV-2 activity with IC50 ...
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
A New Chlorophenyl Glycoside from the Bulbs of Lilium brownii var. viridulum
Thirteen compounds were isolated from the bulbs ofLilium brownii var.viridulum Baker, including a new chlorophenyl glycoside identified as 5-chloro-6-methoxy-4-methylphenyl 1-O-β-D-glucopyranosyl-(1 →6)-α-L-rhamnopyranoside. The structure of this new compound was elucidated using comprehensive spectroscopic analyses, acid hydrolysis, and derivatization. (Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
Fatty-Acid Profile of Extracts of the Brown Seaweed Ascophyllum nodosum
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
New Metabolite from the Fungus Pseudopithomyces sp. J6
A new γ-lactone, namely pseudopithomyceslactone A (1), and three known compounds were isolated from the endophytic fungusPseudopithomyces sp. J6. The structure of1 was elucidated by extensive spectroscopic analysis combined with ECD calculations. (Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
Compounds from the Leaves and Stems of Cassia nodosa
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
A New Benzenoid of Crithmum maritimum
A new benzenoid, junzhibutanol (1), along with eight known compounds (2 –9), were isolated from the stems ofCrithmum maritimum L. Compounds2 –8 were isolated from this source for the first time. The structure of the new benzenoid was elucidated by chemical and physical evidence. (Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
Chemical Constituents from Pleione albiflora and Their Inhibitory Effects on Xanthine Oxidase
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
Fatty-Acid and Lipid Profiles and Essential Oil from the Aerial Part of Ferula kyzylkumica
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - March 22, 2024 Category: Chemistry Source Type: research
Constituent Composition and Antimicrobial Activity of Essential Oil from Perovskia botschantzevii
(Source: Chemistry of Natural Compounds)
Source: Chemistry of Natural Compounds - January 31, 2024 Category: Chemistry Source Type: research
