|别名||1,4-二氧六环 ;1,4-二噁烷,环二氧二乙烯,环氧二乙烷,二氧己环,乙二醇二醚,二氧杂环己烷;1,4-Dioxane 1,4-Diethylene dioxide|
|标识符号||GHS02, GHS07, GHS08|
|个人防护设备||Eyeshields,Faceshields,full-face respirator (US),Gloves,multi-purpose combination respirator cartridge (US),type ABEK (EN14387) respirator filter|
The optimal conditions for the isolation of esfenvalerate from the biological specimens have been determined. It was shown that this compound can be separated from the endogenous component of a biolog...Read More
Two novel fluorescent probes bearing a single (P) and two (a podand-like structure, L) pyrene units derived from 1,5-bis(2-aminophenoxy)-3-oxopentane have been synthesized and investigated in dioxane ...Read More
The photodecomposition of cis,trans,cis-[Pt(IV)(N(3))(2)(OH)(2)(NH(3))(2)] in phosphate buffered saline (PBS), as well as in the presence of 1-methylimidazole (1-MeIm), induced by UVA light (centred a...Read More
It remains a challenge to synthesize functional materials that can develop advanced scaffolding architectures for tissue engineering. In this study, a series of biodegradable amphiphilic poly(hydroxya...Read More
The results of extraction of 6-mercaptopurine and azathioprine from aqueous saline solutions with organic solvents of different chemical nature and their mixtures are presented. Synergism between the ...Read More
Reusability of iron sludge as an iron source for the?electrochemical Fenton-type process using Fe(2+)/HOCl system.
This paper reports on the reusability and the optimal reuse of iron-rich sludge for an electrochemical Fenton-type process using sequencing batch mode and separation batch mode reuse models. In the se...Read More
Monolithic cryopolymers with embedded nanoparticles. I. Capillary liquid chromatography of proteins using neutral embedded nanoparticles.
Rigid monolithic cryostructures were prepared in capillary format at sub-zero temperatures and used successfully in the separation of proteins by hydrophobic interaction chromatography (HIC). The poly...Read More
Crystal structure of aura virus capsid protease and its complex with dioxane: new insights into capsid-glycoprotein molecular contacts.
The nucleocapsid core interaction with endodomains of glycoproteins plays a critical role in the alphavirus life cycle that is essential to virus budding. Recent cryo-electron microscopy (cryo-EM) stu...Read More
Biodegradation of tetrahydrofuran and 1,4-Dioxane by soluble diiron monooxygenase in Pseudonocardia sp. strain ENV478.
1,4-Dioxane is an important groundwater contaminant. Pseudonocardia sp. strain ENV478 degrades 1,4-dioxane via cometabolism after the growth on tetrahydrofuran (THF) and other carbon sources. Here, we...Read More
The quenching of pyrene and 1-methylpyrene fluorescence by nitroanilines (NAs), such as 2-, 3-, and 4-nitroaniline (2-NA, 3-NA, and 4-NA, respectively), 4-methyl-3-nitroaniline (4-M-3-NA), 2-methyl-4-...Read More
Hyperconjugation underlies many chemical phenomena of fundamental and practical importance. Owing to a great deal of interest in the anomeric effect, anomeric-like hyperconjugative effects have been t...Read More
Our interest in modifying influence of the low-molecular organic compounds on the hydration shell of biopolymers is due to a well-known fact that the former can act as regulators of the enzymatic acti...Read More
Biobased polymers: synthesis of graft copolymers and comb polymers using lactic acid macromonomer and properties of the product polymers.
For developing broader application of biobased polymers, graft copolymers and comb polymers having poly(lactic acid) (PLA) side chains have been synthesized by using a macromonomer technique. PLA macr...Read More
Amphiphile behavior in mixed solvent media I: self-aggregation and ion association of sodium dodecylsulfate in 1,4-dioxane-water and methanol-water media.
Mixed aquo-organic solvents are used in chemical, industrial, and pharmaceutical processes along with amphiphilic materials. Their fundamental studies with reference to bulk and interfacial phenomena ...Read More
A convenient ultrasound-promoted synthesis of some new thiazole derivatives bearing a coumarin nucleus and their cytotoxic activity.
Successful implementation of ultrasound irradiation for the rapid synthesis of a novel series of 3-[1-(4-substituted-5-(aryldiazenyl)thiazol-2-yl)hydrazono)ethyl]-2H-chromen-2-ones 5a-h, via reactions...Read More
Characterizing the intrinsic bioremediation potential of 1,4-dioxane and trichloroethene using innovative environmental diagnostic tools.
An intrinsic biodegradation study involving the design and implementation of innovative environmental diagnostic tools was conducted to evaluate whether monitored natural attenuation (MNA) could be co...Read More
The dehydration of D-fructose to 5-hydroxymethylfurfural was studied under single-phase conditions in the low boiling solvent 1,4-dioxane at moderate temperatures in the presence of the solid acid-cat...Read More
Ultrasonic studies of intermolecular interactions in binary mixtures of 4-methoxy benzoin with various solvents: Excess molar functions of ultrasonic parameters at different concentrations and in different solvents.
Density (ρ), ultrasonic velocity (U), for the binary mixtures of 4-methoxy benzoin (4MB) with ethanol, chloroform, acetonitrile, benzene, and di-oxane were measured at 298K. The solute-solvent intera...Read More
Co-occurrence of 1,4-dioxane with trichloroethylene in chlorinated solvent groundwater plumes at US Air Force installations: Fact or fiction.
Increasing regulatory attention to 1,4-dioxane has prompted the United States Air Force (USAF) to evaluate potential environmental liabilities, primarily associated with legacy contamination, at an en...Read More
Immobilized polysaccharide chiral stationary phases (CSPs) are a new development in chiral chromatography with increasing importance for the resolution of racemic compounds. These CSPs can be used wit...Read More
1,4-Dioxane (dioxane), a probable human carcinogen, is used as a solvent stabilizer for 1,1,1-trichloroethane (TCA) and other chlorinated solvents. Consequently, TCA and its abiotic breakdown product ...Read More
Development of surrogate correlation models to predict trace organic contaminant oxidation and microbial inactivation during ozonation.
The performance of ozonation in wastewater depends on water quality and the ability to form hydroxyl radicals (·OH) to meet disinfection or contaminant transformation objectives. Since there are no o...Read More
Synthesis of 2-arylamino substituted 5,6-dihydropyrido[2,3-d]pyrimidine-7(8H)-ones from arylguanidines.
A practical protocol was developed for the synthesis of 2-arylamino substituted 4-amino-5,6-dihydropyrido[2,3-d]pyrimidin-7(8H)-ones from α,β-unsaturated esters, malononitrile, and an aryl substitut...Read More
Novel quinoline-2-one based chalcones were synthesized from a Claisen-Schmidt condensation by using the couple KOH/1,4-dioxane as reaction medium. A relatively stable aldol was isolated and identified...Read More
Spectral characteristics of 4-(p-N,N-dimethyl-aminophenylmethylene)-2-phenyl-5-oxazolone (DPO) in different media.
The absorption and fluorescence characteristics of 4-(p-N,N-dimethyl-aminophenylmethylene)-2-phenyl-5-oxazolone (DPO) have been investigated in different solvents. DPO dye exhibits a large red shift i...Read More
C-C cross-coupling reactions of O6-alkyl-2-haloinosine derivatives and a one-pot cross-coupling/O6-deprotection procedure.
Reaction conditions for the C?C cross-coupling of O(6)-alkyl-2-bromo- and 2-chloroinosine derivatives with aryl-, hetaryl-, and alkylboronic acids were studied. Optimization experiments with silyl-pro...Read More
Direct functionalization of tetrahydrofuran and 1,4-dioxane: nickel-catalyzed oxidative C(sp3)-H arylation.
CHoose nickel: The nickel-catalyzed oxidative arylation of C(sp(3) )?H bonds has been achieved. Several substituted arylboronic acids and various C(sp(3) )?H bonds were found to be suitable substrates...Read More
Alkene trifluoromethylation coupled with C-C bond formation: construction of trifluoromethylated carbocycles and heterocycles.
The combo pack: Copper-catalyzed trifluoromethylation of alkenes bearing an allylic proton combined with C?C bond formation affords the titled compounds in good to high yields. The reactions are faste...Read More
A dataset comprising 55 chemicals with hepatocarcinogenic potency indices was collected from the Carcinogenic Potency Database with the aim of developing QSAR models enabling prediction of the above u...Read More