Results 1 to 10 of about 19,229 (196)

Theoretical study on thermal decomposition mechanism of 1-nitroso-2-naphthol [PDF]

open access: yesScientific Reports, 2022
1-nitroso-2-naphthol has thermal instability of thermal decomposition, spontaneous combustion and even explosion. Its thermal decomposition characteristics were tested by synchronous thermal analyzer (TGA/DSC); The activation energy of the thermal ...
Xiaohua Fan   +3 more
doaj   +2 more sources

1-(Hydroxyiminomethyl)-2-naphthol [PDF]

open access: yesActa Crystallographica Section E, 2008
The title compound, C11H9NO2, was prepared by a condensation reaction of 2-hydroxy-1-naphthaldehyde with hydroxylammonium chloride in refluxing ethanol. An intramolecular O—H...N hydrogen bond is observed. In the crystal structure, intermolecular O&
Jianfang Dong   +3 more
doaj   +3 more sources

Removal of the Micropollutants Propranolol Hydrochloride and 2-Naphthol From Water by Pyridine-Functionalized Polymers [PDF]

open access: yesFrontiers in Chemistry, 2022
The number and concentration of micropollutants in aqueous environments are increasing. Two such micropollutants include the pharmaceutical, propranolol hydrochloride, and dye intermediate, 2-naphthol.
Qixuan Zheng   +2 more
doaj   +2 more sources

Quantitative analysis of naphthalene, 1-naphthol and 2-naphthol at nanomol levels in geothermal fluids using SPE with HPLC [PDF]

open access: yesMethodsX, 2023
Naphthalene (NAP), 1-naphthol (1-NAP) and 2-naphthol (2-NAP) are the thermal decomposition products of naphthalene sulfonates making them potentially new geothermal reservoir permeability tracers, however, to date, no sensitive and fast detection method ...
Lucjan Sajkowski   +2 more
doaj   +2 more sources

Separate hydrolysis and fermentation of softwood bark pretreated with 2-naphthol by steam explosion [PDF]

open access: yesBiotechnology for Biofuels and Bioproducts
Background 2-Naphthol, a carbocation scavenger, is known to mitigate lignin condensation during the acidic processing of lignocellulosic biomass, which may benefit downstream processing of the resulting materials. Consequently, various raw materials have
Andreas Averheim   +4 more
doaj   +2 more sources

Two-stage steam explosion pretreatment of softwood with 2-naphthol as carbocation scavenger [PDF]

open access: yesBiotechnology for Biofuels, 2019
Background  Lignocellulosic biomass is considered as a potential source for sustainable biofuels. In the conversion process, a pretreatment step is necessary in order to overcome the biomass recalcitrance and allow for sufficient fermentable sugar yields
Christoph-Maximilian Seidel   +4 more
doaj   +2 more sources

2-Naphthol Levels and Allergic Disorders in Children. [PDF]

open access: yesInt J Environ Res Public Health, 2018
Background: The measurement of polycyclic aromatic hydrocarbons (PAH) in ambient air is quite difficult to perform. Using urine biomarkers of PAH such as 2-naphthol is one approach to this problem. This study explored the association between urine 2-naphthol levels and allergic diseases.
Lin TJ, Guo YL, Hsu JC, Wang IJ.
europepmc   +4 more sources

Structural and Energetic Insights on Two Dye Compounds: 1-Acetyl-2-Naphthol and 2-Acetyl-1-Naphthol [PDF]

open access: yesMolecules, 2020
The energy involved in the structural switching of acyl and hydroxyl substituents in the title compounds was evaluated combining experimental and computational studies.
Vera L. S. Freitas   +1 more
doaj   +2 more sources

Transplacental transfer of 2-naphthol in human placenta. [PDF]

open access: yesToxicol Rep, 2015
To determine the transfer of 2-naphthol (2-NPH) in fullterm human placental tissues.Six placentas were studied. The ex-vivo dual closed-loop human placental cotyledon perfusion model was used. 2-NPH was added to the perfusate in the maternal compartment. Samples were obtained from the maternal and fetal up to 360 min measuring.The mean fetal weight was
Mirghani H   +4 more
europepmc   +4 more sources

Cyclization of Hydrazones of 2-Acetyl-1-naphthol and 1-Acetyl-2-naphthol with Triphosgene. Synthesis of Spiro Naphthoxazine Dimers

open access: yesMolecules, 2009
Cyclization of hydrazones derived from 2-acetyl-1-naphthol and 1-acetyl-2-naphthol with triphosgene gave naphtho[1,2-e]-1,3-oxazines, naphtho[2,1-e]-1,3-oxazines or their spiro dimers depending on the molar ratio of triphosgene used for the cyclization.
Abdullah Al-Majid   +1 more
exaly   +3 more sources

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