Results 21 to 30 of about 18,309 (199)

Crystal structure of 4-benzamido-2-hydroxybenzoic acid

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C14H11NO4, the dihedral angle between the mean planes of the aromatic rings is 3.96 (12)° and an intramolecular O—H...O hydrogen bond closes an S(6) ring. A short intramolecular C—H...O contact is also seen.
Muhammad Shahid   +4 more
doaj   +1 more source

Secondary Metabolite Distribution and Antioxidant Activities of Corn Kernel [PDF]

open access: yesShipin Kexue, 2023
Layered milling technique combined with targeted metabolomics was applied to analyze the characteristic components including carotenoids and secondary metabolites including phenolic compounds from different parts of corn kernel, and the antioxidant ...
ZHAI Xiaotong, HAN Lin, QIAO Congcong, HE Cai’an, LIU Fang, YANG Xiaoji, LI Shan, TAN Bin, WANG Min
doaj   +1 more source

Mechanisms and Therapeutic Effects of Benzoquinone Ring Analogs in Primary CoQ Deficiencies

open access: yesAntioxidants, 2022
Coenzyme Q (CoQ) is a conserved polyprenylated lipid composed of a redox-active benzoquinone ring and a long polyisoprenyl tail that serves as a membrane anchor.
Alba Pesini   +2 more
doaj   +1 more source

SYNTHESIS OF FLAVANONE-6-CARBOXYLIC ACID DERIVATIVES FROM SALICYLIC ACID DERIVATIVE

open access: yesIndonesian Journal of Chemistry, 2012
Synthesis of flavanone-6-carboxylic acid derivatives had been conducted via the route of chalcone. The synthesis was carried out from salicylic acid derivative, i.e.
Muhammad Idham Darussalam Mardjan   +4 more
doaj   +1 more source

Crystal structure of 3-acetyl-4-hydroxybenzoic acid, C18H16O8

open access: yesZeitschrift für Kristallographie - New Crystal Structures, 2020
C18H16O8, monoclinic, P21/c (no. 14), a = 5.3210(8) Å, b = 5.1825(8) Å, c = 29.598(5) Å, β = 93.875(2)°, V = 814.3(2) Å3, Z = 2, Rgt(F) = 0.0340, wRref(F2) = 0.1011, T = 296(2) K.
Gu Jia   +4 more
doaj   +1 more source

Two New Lactam Derivatives from Micromelum falcatum (Lour.) Tan. with Brine Shrimp Larvae Toxicity

open access: yesMolecules, 2023
Chemical investigation of the stems of Micromelum falcatum (Lour.) Tan. led to the isolation of two new lactam derivatives, named 3-(hydroxy(10-hydroxyphenyl)methyl)-4-(16-hydroxyphenyl)-1-methylpyrrolidin-2-one (1) and 3-(hydroxy(10-hydroxy-9 ...
Bin Liu   +5 more
doaj   +1 more source

Hygroscopicity of organic compounds from biomass burning and their influence on the water uptake of mixed organic ammonium sulfate aerosols [PDF]

open access: yesAtmospheric Chemistry and Physics, 2014
Hygroscopic behavior of organic compounds, including levoglucosan, 4-hydroxybenzoic acid, and humic acid, as well as their effects on the hygroscopic properties of ammonium sulfate (AS) in internally mixed particles are studied by a hygroscopicity tandem
T. Lei   +4 more
doaj   +1 more source

Nematicidal Metabolites from the Actinomycete Micromonospora sp. WH06

open access: yesMicroorganisms, 2022
A nematicidal actinomycete strain WH06 was isolated from soil samples and was identified using 16S rRNA as Micromonospora sp. Through medium screening and fermentation, 10 metabolites were isolated from the ethyl acetate extract of its fermentation broth
Yuan Ran, Yu Zhang, Xin Wang, Guohong Li
doaj   +1 more source

THE USE OF A CHROMATOGRAPHIC COLUMN PACKED WITH AMIDE SORBENT FOR THE ANALYSIS OF PARABENS

open access: yesРегуляторные исследования и экспертиза лекарственных средств, 2018
The article investigates the applicability of the amino column XBridge Amide 150×4.6 mm for separation of 4-hydroxybenzoic acid esters (parabens) — based on experience with hydrophilic interaction liquid chromatography used for analysis of various ...
A. S. Osipov   +4 more
doaj   +1 more source

Investigation of in vitro antimicrobial activities of some hydroxybenzoic and hydroxycinnamic acids commonly found in medicinal and aromatic plants

open access: yesInternational Journal of Plant Based Pharmaceuticals, 2021
Since hospital-acquired microorganisms are developing more and more resistance to antibiotics used today, researchers are turning to new searches in the treatment of infectious diseases.
Aslihan Gurbuzer
doaj  

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