Results 11 to 20 of about 421,264 (336)

Platform Chemicals from Ethylene Glycol and Isobutene: Thermodynamics “Pays” for Biomass Valorisation and Acquires “Cashback”

open access: yesChemistry, 2023
Ethylene glycol (EG) produced from biomass is a promising candidate for several new applications. In this paper, EG derivatives such as mono- and di-tert-butyl ethers are considered.
Sergey P. Verevkin   +1 more
doaj   +1 more source

Effect of organic compounds on cognac sensory profile

open access: yesFoods and Raw Materials, 2021
Introduction. The present research featured the effect of carbonyls, phenols, furans, fatty alcohols, ethers, and other chemical compounds on the sensory properties of cognac distillates of different ages.
Mikhail N. Eliseev   +3 more
doaj   +1 more source

Methyl and Ethyl Ethers of Glycerol as Potential Green Low-Melting Technical Fluids

open access: yesMolecules, 2023
The study is dedicated to the consideration of lower alkyl ethers of glycerol as potential components of low-melting technical fluids (e.g., heat transfer fluids, hydraulic fluids, aircraft de-icing fluids, etc.).
Vadim Samoilov   +7 more
doaj   +1 more source

Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate or dimethyl adipate with tetrahydrofuran [PDF]

open access: yesJournal of the Serbian Chemical Society, 2014
Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate (or dimethyl adipate) + tetrahydrofuran have been measured at eight temperatures (288.15 to 323.15 K) and atmospheric pressure.
Knežević-Stevanović Anđela B.   +4 more
doaj   +1 more source

Electrophotocatalytic C-H Functionalization of Ethers with High Regioselectivity.

open access: yesJournal of the American Chemical Society, 2020
The highly regioselective electrophotocatalytic C-H functionalization of ethers is described. These reactions are catalyzed by a trisaminocyclopropenium (TAC) ion in a mild electrochemical potential with visible light irradiation.
He Huang, Z. Strater, T. Lambert
semanticscholar   +1 more source

Synthesis and biological activity of 5-acetyl- and 5-hydroxyalkyl1,3-dioxane derivatives

open access: yesТонкие химические технологии, 2023
Objectives. To synthesize derivatives of 5-acetyl- and 5-hydroxyalkyl-1,3-dioxanes and evaluate their effect on platelet aggregation and plasma hemostasis.Methods.
A. I. Musin   +6 more
doaj   +1 more source

Organophosphate Ester Flame Retardants: Are They a Regrettable Substitution for Polybrominated Diphenyl Ethers?

open access: yesEnvironmental Science and Technology Letters, 2019
As the use of polybrominated diphenyl ethers (PBDEs), and the entire class of organohalogen flame retardants, is declining, the use of organophosphate esters flame retardants (OPFRs) is increasing.
A. Blum   +8 more
semanticscholar   +1 more source

Scientific Opinion on Flavouring Group Evaluation 23, Revision 4 (FGE.23Rev4): Aliphatic, alicyclic and aromatic ethers including anisole derivatives from chemical groups 15, 16, 22, 26 and 30 [PDF]

open access: yesEFSA Journal, 2013
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to evaluate 21 flavouring substances in the Flavouring Group Evaluation 23, Revision 4, using the Procedure in Commission ...
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

Iron Oxide-Cobalt Nanocatalyst for O-tert-Boc Protection and O-Arylation of Phenols

open access: yesNanomaterials, 2018
Efficient and general protocols for the O-tert-boc protection and O-arylation of phenols were developed in this paper using a recyclable magnetic Fe3O4-Co3O4 nanocatalyst (Nano-Fe-Co), which is easily accessible via simple wet impregnation techniques in ...
Vilas B. Gade   +4 more
doaj   +1 more source

Bio-Based Solvents and Gasoline Components from Renewable 2,3-Butanediol and 1,2-Propanediol: Synthesis and Characterization

open access: yesMolecules, 2020
In this study approaches for chemical conversions of the renewable compounds 1,2-propanediol (1,2-PD) and 2,3-butanediol (2,3-BD) that yield the corresponding cyclic ketals and glycol ethers have been investigated experimentally.
Vadim Samoilov   +8 more
doaj   +1 more source

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