Results 21 to 30 of about 197,196 (315)

Determination of biogenic amines in decomposition odor using gas chromatography mass spectrometry [PDF]

open access: yes, 2021
In a forensic investigation of missing persons or a suspected murder the detection of the corpse is often the most important piece of evidence. Human remain detection dogs (HRD) are the most common method used in locating human remains.
NC DOCKS at Western Carolina University   +1 more
core  

Thiocyanatochrome complexes in analytical chemistry: Determination of osmium(III) [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
New complex combinations of Os(III) complexed with thiourea and ethyl thiourea, as well as of complex anions of Cr(III) analogues of Reineke’s salt, [Cr(CNS)4(amine)2]-, where the amine is aniline, benzylamine morpholine etc., were synthesized.
Bratulescu George   +2 more
doaj   +1 more source

Palladium-Catalyzed Tandem C(sp3)‑H Insertion Cyclization of 2‑(2-Vinylarene)acetonitriles with Isocyanides to Access Naphthalen-2-amines [PDF]

open access: yes, 2023
A Pd-catalyzed cyclization reaction of 2-(2-vinylarene)acetonitriles and isocyanides has been documented. Various naphthalen-2-amines were obtained in moderate to good yields under mild conditions.
Huishu Lin (16826691)   +15 more
core   +1 more source

Ceria-Based Mixed Oxide Supported Nano-Gold as an Efficient and Durable Heterogeneous Catalyst for Oxidative Dehydrogenation of Amines to Imines Using Molecular Oxygen [PDF]

open access: yes, 2012
The present work is intended to determine the catalytic activity of Mixed Oxide supported gold for aerobic oxidative dehydrogenation of amines to imines using Ceria as a main constituent of the each support. The model catalysts Au/CeO2:TiO2 Au/CeO2:SiO2,
Sharma, Meena   +5 more
core   +1 more source

Efficient and Selective N-Dimethylation of Amines with Functional Aldehydes Catalysed by Ru Nanoparticles Heterogeneous Catalyst [PDF]

open access: yes, 2021
N-methylated amines are essential bioactive compounds and have been widely used in the fine and bulk chemical industries, as well as in pharmaceuticals, agrochemicals, and dyes.
Jianguo, Liu   +3 more
core   +1 more source

Catalytic Asymmetric Decarboxylative Mannich Reaction of Malonic Acid Half Esters with Cyclic Aldimines: Access to Chiral β‑Amino Esters and Chroman-4-amines [PDF]

open access: yes, 2016
An enantioselective decarboxylative Mannich reaction of malonic acid half esters (MAHEs) with cyclic aldimines has been accomplished by employing the copper­(I)/(R,R)-Ph-Box complex as chiral catalyst.
Jing Nie (139250)   +3 more
core   +3 more sources

Reactivity of 4,5-Dichlorophthalic Anhydride towards Thiosemicarbazide and Amines: Synthesis, Spectroscopic Analysis, and DFT Study

open access: yesMolecules, 2022
The cyclic anhydrides are broadly employed in several fields, such as the chemical, plastic, agrochemical, and pharmaceutical industries. This study describes the chemical reactivity of 4,5-dichlorophthalic anhydride towards several nucleophiles ...
Hatem A. Abuelizz   +4 more
doaj   +1 more source

Exergy-based sustainability analysis of biogas upgrading using a hybrid solvent (imidazolium-based ionic liquid and aqueous monodiethanolamine) [PDF]

open access: yesBiofuel Research Journal, 2023
Energy may be generated in large quantities from fossil fuels, but this comes with environmental concerns. Thus, renewable resources like biogas, comprising carbon dioxide and methane, should be used alone or in combination with fossil fuels to mitigate ...
Bilal Kazmi   +2 more
doaj   +1 more source

Biogenic amines disease in dairy products [PDF]

open access: yes, 2022
openLe ammine biogene sono composti tossici prodotti da microrganismi come batteri, lieviti e muffe come risultato della decarbossilazione di alcuni amminoacidi.
CHINELLO, MANUEL
core  

Pentafluoropropionic Anhydride Derivatization and GC-MS Analysis of Histamine, Agmatine, Putrescine, and Spermidine: Effects of Solvents and Starting Column Temperature

open access: yesMolecules, 2023
Gas chromatography–mass spectrometry (GC-MS) is useful for the quantitative determination of the polyamines spermidine (SPD) and putrescine (PUT) and of the biogenic amine agmatine (AGM) in biological samples after derivatization.
Dimitrios Tsikas   +3 more
doaj   +1 more source

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