Results 21 to 30 of about 306,884 (301)
Molecular Characterization of Fungal Pigments
Journal of Fungi, 2021 The industrial application of pigments of biological origin has been gaining strength over time, which is mainly explained by the increased interest of the consumer for products with few synthetic additives.
Miriam S. Valenzuela-Gloria +5 more
doaj +1 more source
, 2016 A new acylated and triterpenoidal saponin, named GS1, was isolated from the roots of Gypsophila arrostii Guss. On the basis of acid hydrolysis, comprehensive spectroscopic analyses and comparison with spectral data of known compounds, its structure was ...
Arslan, I
core +2 more sources
Crystal structure of {[1′-(diphenylphosphino)ferrocenyl]methyl}dimethylammonium chloride monohydrate
Acta Crystallographica Section E: Crystallographic Communications, 2017 Individual ions and the solvating water molecule constituting the structure of the title compound, [Fe(C8H13N)(C17H14P)]Cl·H2O, assemble into dimeric units located around crystallographic inversion centers via N—H...Cl and O—H...Cl hydrogen bonds.
Martin Zábranský, Petr Štěpnička
doaj +1 more source
(4+2)-cycloaddition of nitroalkenes with ynamines; formation of a 4H-1,2-oxazine 2-oxide derivative [PDF]
, 1980 The formation of a thermally unstable (4+2)-cycloadduct, a 4H-1,2-oxazine 2-oxide derivative ( ), from the reaction of 1-nitrocyclopentene with 1-phenyl-2-(1-pyrrolidinyl)acetylene has been proven by the structure elucidation of isoxazole derivative ...
Pennings, M.L.M., Reinhoudt, D.N.
core +2 more sources
Amamistatins isolated from Nocardia altamirensis
Beilstein Journal of Organic Chemistry, 2022 Four new phenolic siderophores were isolated from the actinomycete Nocardia altamirensis along with the known natural product amamistatin B and a putative biosynthetic shunt product.
Till Steinmetz, Wolf Hiller, Markus Nett
doaj +1 more source
Comparative study of the vibrational optical activity techniques in structure elucidation : the case of galantamine [PDF]
, 2019 The absolute configuration of the alkaloid galantamine was studied using a range of solution-state techniques; nuclear magnetic resonance (NMR), vibrational circular dichroism (VCD), and Raman optical activity (ROA). While the combined use of NMR and VCD
Bultinck, Patrick +4 more
core +2 more sources
Software Tools and Approaches for Compound Identification of LC-MS/MS Data in Metabolomics. [PDF]
, 2018 The annotation of small molecules remains a major challenge in untargeted mass spectrometry-based metabolomics. We here critically discuss structured elucidation approaches and software that are designed to help during the annotation of unknown compounds.
Blaženović, Ivana +3 more
core +3 more sources
Toxins, 2021 Microcystins (MCs) are the most widely distributed and structurally diverse cyanotoxins that can have significant health impacts on living organisms, including humans.
Donata Overlingė +5 more
doaj +1 more source
How does iron interact with sporopollenin exine capsules? An X-ray absorption study including microfocus XANES and XRF imaging [PDF]
, 2014 Sporopollenin exine capsules (SECs) derived from plant spores and pollen grains have been proposed as adsorption, remediation and drug delivery agents. Despite many studies there is scant structural data available.
Archibald, Stephen J. +9 more
core +1 more source
Elsinopirins A–D, Decalin Polyketides from the Ascomycete Elsinoё pyri
Biomolecules, 2018 In course of our screening for new secondary metabolites from ecological niche specialized, phytopathogenic fungi, the plant pathogen Elsinoё pyri, strain 2203C, was found to produce four novel compounds (1–4), which were named elsinopirins A–D, in ...
Frank Surup +3 more
doaj +1 more source