Results 21 to 30 of about 160,154 (352)

Polyfullerene Thin Films Applied as NH3 Sensors

open access: yesMaterials Research, 2021
Fullerene is considered to be the third carbon allotrope after diamond and graphite. The study of fullerene derivatives has been growing due to their exceptional electron affinity.
André Vítor Santos Simõis   +8 more
doaj   +1 more source

Synthetic chemistry and biological activity of pentafluorosulphanyl (SF5) organic molecules [PDF]

open access: yes, 2012
Acknowledgements We thank the European Commission for financial support (Industry Academia Partnerships and Pathways project “PET BRAIN”, Contract No 251482). S.A.
Altomonte, Stefano, Zanda, Matteo
core   +1 more source

New Sample Preparation Method for Honey Volatiles Fingerprinting Based on Dehydration Homogeneous Liquid–Liquid Extraction (DHLLE)

open access: yesMolecules, 2018
Qualitative chemical fingerprinting of the honey volatiles by gas chromatography and mass spectrometry (GC-MS) has been an efficient authentication tool that allowed for the classification of the honey botanical origin (strongly related to its medicinal ...
Piotr M. Kuś, Igor Jerković
doaj   +1 more source

Synthesis and NMR structure determination of new linear geranylphenols by direct geranylation of activated phenols. [PDF]

open access: yes, 2013
Indexación: Web of Science; ScieloThe known geranylhydroquinone 2, geranylorcinol 4 and the derivative (E)-4-(3,7-dimethylocta-2,6-dienyl)-5-methylbenzene-1,3-diol 5, were prepared by Electrophilic Aromatic Substitution (EAS) reactions between the ...
Carrasco, Héctor   +8 more
core   +2 more sources

Preparation and Characterization of Urushiol Methylene Acetal Derivatives with Various Degrees of Unsaturation in Alkyl Side Chain

open access: yesInternational Journal of Polymer Science, 2015
Preparation of urushiol derivatives was carried out in response to the drug industry’s increasing demand for new synthetic anticancer agents. Urushiol methylene acetal derivatives were synthesized in high yields by reaction of urushiol with methylene ...
Chengzhang Wang   +6 more
doaj   +1 more source

9-(4'-dimethylaminophenyl)-2,6,7-trihydroxy-xanthene-3-one is a potentially novel antiplatelet drug which antagonizes the effect of thromboxane A2 [PDF]

open access: yes, 2018
Background: Currently, used oral antiplatelet drugs are both limited and associated with the risk of treatment failure/resistance. Research in this area is hence highly desired.
Applová, Lenka   +8 more
core   +1 more source

Structure-Activity Relationships of 3,3′-Phenylmethylene-bis-4-hydroxycoumarins: Selective and Potent Inhibitors of Gram-Positive Bacteria

open access: yesThe Scientific World Journal, 2013
Dicoumarols and coumarin derivatives have shown a variety of pharmaceutical activities and have been found to be potent inhibitor for the NAD(P)H-dependent flavoproteins.
Kanokporn Petnapapun   +2 more
doaj   +1 more source

Dinuclear platinum(II) sulfide–thiolate complexes [Pt₂(μ-S)(μ-SR)(PPh₃)₄]⁺ containing fluorinated substituents and the identification of a SC₆F₅ π interaction in the crystal structure of [Pt₂(μ-S)(μ-SCH₂C₆F₅)(PPh₃)₄]BPh₄•2C₆H₆ [PDF]

open access: yes, 2011
Reactions of the platinum(II) sulfido complex [Pt₂(μ-S)₂(PPh₃)₄] with the alkyl iodides ICH₂CH₂(CF₂)nCF₃ (n = 3, 7) gives good yields of the monoalkylated products [Pt₂(μ-S){μ-SCH₂CH₂(CF₂)nCF₃}(PPh₃)₄]⁺, which were isolated as PF₆⁺or BPH₄⁻ salts, and ...
Henderson, William   +2 more
core   +2 more sources

Exposure to Benzene, Toluene, Ethylbenzene, and Xylenes and Risk of Depression: A Cross-sectional Study of a National Sample of Korean Adults [PDF]

open access: yesJournal of Preventive Medicine and Public Health
Objectives: Benzene, toluene, ethylbenzene, and xylenes (BTEX) are co-occurring neurotoxicants that are structurally similar aromatic hydrocarbons sharing common metabolic pathways and mechanisms of toxicity.
Hyun-Wook Park   +4 more
doaj   +1 more source

A convenient tandem one-pot synthesis of donor-acceptor-type triphenylene 2,3-dicarboxylic esters from diarylacetylene [PDF]

open access: yes, 2014
A tandem one-pot method for the direct synthesis of polysubstituted triphenylene 2,3-dicarboxylic esters with different substitution patterns was developed by enyne metathesis of diarylacetylene, followed by Diels–Alder, aromatization and a cyclization ...
Feng, Chun   +9 more
core   +1 more source

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