Results 1 to 10 of about 16,649 (384)

Gum Benzoin (Styrax benzoin) as Antibacterial against Staphylococcus aureus [PDF]

open access: diamondAl-Kimia, 2019
Gum benzoin (Styrax benzoin) is one of nontimber forest product classified into the resin group. The aim of the study was to determine the component from gum benzoin as an antibacterial against Staphylococcus aureus.
Asih Gayatri   +2 more
exaly   +7 more sources

Recent advances in N-heterocyclic carbene (NHC)-catalysed benzoin reactions

open access: yesBeilstein Journal of Organic Chemistry, 2016
N-Heterocyclic carbenes (NHCs) have emerged as a powerful class of organocatalysts that mediate a variety of organic transformations. The Benzoin reaction constitutes one of the earliest known carbon–carbon bond-forming reactions catalysed by NHCs.
Rajeev S Menon, Akkattu T Biju
exaly   +3 more sources

Multiple use of benzoin as an aid in neurosurgical practice the watertight benzoin dressing [PDF]

open access: goldArquivos de Neuro-Psiquiatria, 1979
The author presents a survey of his experience with the use of benzoin as an aid to prevent and to treat wound complications as: CSF leakage ruptured meningoceles, prevention of leakage and wound infections, during the use of external cranial drainage ...
Raul Marino Jr
doaj   +7 more sources

Impact of Backbone Substitution on Organocatalytic Activity of Sterically Encumbered NHC in Benzoin Condensation [PDF]

open access: goldMolecules
In this study, we provide a theoretical explanation for the experimentally observed decrease in the organocatalytic activity of N-aryl imidazolylidenes methylated at the C4/5-H positions in the benzoin condensation of aromatic aldehydes.
Rinat R. Aysin, Konstantin I. Galkin
doaj   +4 more sources

Catalytic Oxidation of Benzoins by Hydrogen Peroxide on Nanosized HKUST-1: Influence of Substituents on the Reaction Rates and DFT Modeling of the Reaction Path [PDF]

open access: goldMolecules, 2023
In this research, the oxidation of a series of benzoins, R-C(=O)-CH(OH)-R, where R = phenyl, 4-methoxyphenyl, 4-bromophenyl, and 2-naphthyl, by hydrogen peroxide in the presence of nanostructured HKUST-1 (suspension in acetonitrile/water mixture) was ...
Darya V. Yurchenko   +8 more
doaj   +2 more sources

Benzoin Resin: An Overview on Its Production Process, Phytochemistry, Traditional Use and Quality Control [PDF]

open access: yesPlants, 2023
Benzoin is a pathologic exudation produced by plants of the family Styrax. It is secreted by traumatic resin ducts after injury, which are derived from parenchymal cells in secondary xylem by schizolysigeny.
Qingqin He   +4 more
doaj   +2 more sources

Styrax spp.: Habitat, Phenology, Phytochemicals, Biological Activity and Applications [PDF]

open access: yesPlants
Styrax is the largest genus of the family Styracaceae, with about 130 species distributed across America, Europe, and Southeast Asia. The oleo-resin of these woody shrubs, called Styrax benzoin, has a long tradition of use as incense and in therapeutics,
Antonello Paparella   +5 more
doaj   +2 more sources

Quantification of guanidine in environmental samples using benzoin derivatization and LC-MS analysis [PDF]

open access: yesMethodsX
The recent discovery of guanidine-dependent riboswitches in many microbes raised interest in the biological function and metabolism of this nitrogen-rich compound.
Richard Gruseck   +4 more
doaj   +2 more sources

An improved ultrasound-assisted synthesis of phenytoin suitable for undergraduate education [PDF]

open access: yesUltrasonics Sonochemistry
A convenient and efficient method for undergraduate student experiments involves the one-pot synthesis of phenytoin from benzoin. This method utilized ultrasonic irradiation in the presence of basic catalyst at room temperature and atmospheric pressure ...
Baowei Yang   +4 more
doaj   +2 more sources

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