-
101
Anthoteibinenes F–Q: New Sesquiterpenes from the Irish Deep-Sea Coral <i>Anthothela grandiflora</i>
Published 2025-01-01“…One-/two-dimensional NMR spectroscopy and high-resolution mass spectrometry were used for structure elucidation, while a combination of NOESY NMR experiments, GIAO NMR calculations coupled with DP4+ probabilities measures, and ECD comparisons were incorporated to propose relative and absolute configurations of the anthoteibinenes. …”
Get full text
Article -
102
Incorporation of Capecitabine Into Extended Chain of N-Acylated Chitosan Carrier
Published 2024-01-01“…The structure of acylated chitosan was analyzed using FTIR and 1H-NMR spectroscopy. The degree of substitution (DS) varied between 56% and 69% for different long-chain N-acylated chitosan, with N-stearoyl chitosan (ChC18) exhibiting the highest DS. …”
Get full text
Article -
103
Protein structure and interactions elucidated with in-cell NMR for different cell cycle phases and in 3D human tissue models
Published 2025-02-01“…Among these tools, in-cell NMR spectroscopy has been the sole technique for characterizing proteins in the intracellular space of living cells at atomic resolution and physiological temperature. …”
Get full text
Article -
104
Integrated analysis of cellulose structure and properties using solid-state low-field H-NMR and photoacoustic spectroscopy
Published 2025-01-01“…Solid-state low-field H-NMR spectroscopy aids in characterizing the crystallinity degrees and amorphous regions within cellulose, revealing time-dependent changes in free induction decay (FID) signals. …”
Get full text
Article -
105
Synthesis and crystal structures of palladium complexes based on $\alpha $-amino-oximes derived from ($R$)-limonene and their application in allylic alkylation of 1,3-dioxo compoun...
Published 2022-04-01“…Structures of the new palladium complexes are characterized and described by NMR spectroscopy and X-rays. These $\alpha $-amino-oxime ligands were then evaluated in the palladium-catalysed allylation of 1,3-dioxo compounds.…”
Get full text
Article -
106
Influence of Drying–Wetting Cycles on the Water Retention and Microstructure of Residual Soil
Published 2022-01-01“…The pressure plate test and nuclear magnetic resonance (NMR) spectroscopy were used to investigate the influence of drying–wetting cycles on the soil–water characteristic curve (SWCC) and pore-size distribution (POSD) of undisturbed residual soil. …”
Get full text
Article -
107
Production of Malheuran A, a Geranylated Flavonoid with Antimicrobial and Anti-Inflammatory Activities, in Hairy Root Cultures of <i>Dalea purpurea</i>
Published 2025-01-01“…The co-treatment of the hairy root cultures with the elicitors methyl-β-cyclodextrin, magnesium chloride, methyl jasmonate, and hydrogen peroxide led to the production and secretion of the geranylated flavanone malheuran A, which was confirmed by mass spectrometry and NMR spectroscopy analyses. The highest amount (104.3 ± 6.9 mg/L) of malheuran A was detected at 192 h after elicitor treatment. …”
Get full text
Article -
108
Synthesis and preliminary ex vivo evaluation of the spasmolytic activity of 1,3-thiazolium- and 1,3,4-thiadiazolium-5-methylthio- and 5-thioacetate derivatives
Published 2014-06-01“…The structure of the title compounds was elucidated by elemental analysis, IR, 1H and 13C NMR spectroscopy. The newly synthesized compounds 5a, 6a, 11 and 12 were evaluated for their ex vivo spasmolytic potential on four isolated smooth muscles (rat aorta and uterus, guinea pig ileum and trachea) and compared with scopolamine. …”
Get full text
Article -
109
Development of Homogeneous Carboxylation of Phenolates via Kolbe–Schmitt Reaction
Published 2025-01-01“…The use of <sup>13</sup>C NMR spectroscopy enabled the observation of a “carbonate complex” in the solution for the first time, with the carbonate carbon displaying a chemical shift value of 142 ppm, an unusual finding for stable carbonates, and located between the signals of free dissolved CO<sub>2</sub> and carboxylate derivatives.…”
Get full text
Article -
110
Identification of an inter-cysteine loop potentially involved in the activity of Opisthorchis viverrini-granulin-1
Published 2023-06-01“…Methods: Peptides corresponding to the three inter-cysteine loops of the N-terminal domain were produced using synthetic chemistry, and their structures and bioactivities were analyzed using nuclear magnetic resonance (NMR) spectroscopy and cell proliferation assays, respectively. …”
Get full text
Article -
111
A Stability-Indicating HPLC-DAD Method for Determination of Stiripentol: Development, Validation, Kinetics, Structure Elucidation and Application to Commercial Dosage Form
Published 2014-01-01“…This degradation product was characterized by 1H-NMR and 13C-NMR spectroscopy as well as ion trap mass spectrometry. …”
Get full text
Article -
112
Synthesis, Characterization, Semiempirical and Biological Activities of Organotin(IV) Carboxylates with 4-Piperidinecarboxylic Acid
Published 2014-01-01“…In solution state, five and four coordinated geometry around tin was confirmed by NMR spectroscopy. The EI-MS data agreed well with the molecular structure of the complexes. …”
Get full text
Article -
113
Synthesis, Characterization and Antibacterial activity of Benzimidazole Derivatives and their Cu (ii),Ni (ii) and Co (ii) complexes
Published 2023-04-01“…The structures of all the synthesized ligands were confirmed by using IR, UV-Visible, 1H NMR, and 13C NMR spectroscopy. The Cu (II), Ni (II) and Co (II) complexes were confirmed by using IR and VU-Visible spectra. …”
Get full text
Article -
114
Antibacterial and Antioxidant Activities of Triterpenoids and Cyclic 1,7-Diarylheptanoids from the Stem Bark of Myrica salicifolia: A Combined Experimental and Computational Study
Published 2024-01-01“…The structures were determined by a comprehensive analysis of 1D/2D NMR spectroscopy, HR-MS, and by comparison with literature data. …”
Get full text
Article -
115
Design and In Vitro Biological Evaluation of a Novel Organotin(IV) Complex with 1-(4-Carboxyphenyl)-3-ethyl-3-methylpyrrolidine-2,5-dione
Published 2019-01-01“…A novel triphenyltin(IV) compound with 1-(4-carboxyphenyl)-3-ethyl-3-methylpyrrolidine-2,5-dione was synthesized and characterized by IR, NMR spectroscopy, mass spectrometry, and elemental analysis. …”
Get full text
Article -
116
Synthesis, Characterization and Antibacterial activity of Benzimidazole Derivatives and their Cu (ii),Ni (ii) and Co (ii) complexes
Published 2023-04-01“…The structures of all the synthesized ligands were confirmed by using IR, UV-Visible, 1H NMR, and 13C NMR spectroscopy. The Cu (II), Ni (II) and Co (II) complexes were confirmed by using IR and VU-Visible spectra. …”
Get full text
Article -
117
Discovery of Antimalarial Drugs from Streptomycetes Metabolites Using a Metabolomic Approach
Published 2017-01-01“…The highly sensitive instruments, such as Liquid Chromatography-Mass Spectrophotometry (LC-MS), Gas Chromatography-Mass Spectrophotometry (GC-MS), and Nuclear Magnetic Resonance (1H-NMR) spectroscopy, provide a wide range of information in the identification of potentially bioactive compounds. …”
Get full text
Article -
118
“Pillaring Effects” in Cross-Linked Cellulose Biopolymers: A Study of Structure and Properties
Published 2018-01-01“…X-ray diffraction (XRD) and 13C NMR spectroscopy indicate that cellulose adopts a one-chain triclinic unit cell structure (P1 space group) with gauche-trans (gt) and trans-gauche (tg) conformations of the glucosyl linkages and hydroxymethyl groups. …”
Get full text
Article -
119
In Vitro and In Silico Cytotoxic and Antibacterial Activities of a Diterpene from Cousinia alata Schrenk
Published 2021-01-01“…The structures of isolated compounds were determined by MS, 1D, and 2D NMR spectroscopy methods. Compounds (1–7) were isolated for the first time from Cousinia genus.…”
Get full text
Article -
120
Facile Synthesis of Propranolol and Novel Derivatives
Published 2020-01-01“…Mass spectrometry and 1H-NMR spectroscopy were applied to identify new compounds structure. …”
Get full text
Article