Results 1 to 10 of about 501,263 (263)

Friedel–Crafts reaction of indoles for (3-indolyl)methyl ethers under basic condition: Application in unsymmetrical bis(indolyl)methanes

Results in Chemistry, 2021
An efficient process to prepare (3-indolyl)methyl ethers from various indoles and benzaldehydes under basic conditions was reported. The effects of bases, solvents were investigated.
Zubiao Zheng, Daoxin Zha, Peng Cui, Huan Zhang, Changjiang Li, Jianjun Shi, Bingbing Han   +6 more
doaj   +1 more source

Efficient synthesis, characterization and electrochemical properties of bis(ferrocenyl) ethers

Chemistry of Inorganic Materials, 2023
Three different symmetrical ethers derived from formyl ferrocene, acetyl ferrocene and benzoyl ferrocene have been characterized via FT-IR, UV-Visible and 1H NMR spectroscopic techniques. Further, the true nature of bis[phenyl(ferrocenyl)methyl]ether was
S. Dharani, Vincent M. Lynch, R. Prabhakaran   +2 more
doaj   +1 more source

Synthesis of ethers containing 1,3-dioxolane and gem-dichlorocyclopropane fragments

Тонкие химические технологии, 2021
Objectives. This study aimed to obtain ethers containing gem-dichlorocyclopropane and 1,3-dioxolane fragments and evaluate their cytotoxic properties against HEK293, SH-SY5Y, MCF-7, and A549 cell lines.Methods.
Sh. Sh. Dzhumaev, Yu. G. Borisova, G. Z. Raskil’dina, U. Sh. Kuzmina, R. R. Daminev, S. S. Zlotskii   +5 more
doaj   +1 more source

Mechanistic insight of TiCl4 catalyzed formal [3 + 3] cyclization of 1,3-bis(silyl enol ethers) with 1,3-dielectrophiles† [PDF]

RSC Advances, 2015
The mechanism of TiCl4 mediated formal [3 + 3] cyclization of 1,3-bis(silyl enol ethers) with 1,3-dielectrophiles is studied at the B3LYP level of density functional theory (DFT) to rationalize the experimental regioselectivity.
Riffat Un Nisa, Maria, Fatima Wasim, Tariq Mahmood, Ralf Ludwig, Khurshid Ayub   +5 more
doaj   +1 more source

Experimental and Simulation Studies for Purification and Etherification of Glycerol from the Biodiesel Industry

AppliedChem, 2023
In this study, a purification route was applied to crude glycerol and its valorization via etherification was evaluated. Crude glycerol samples were obtained through transesterification reactions of soybean oil with methanol using potassium hydroxide as ...
Silvia S. O. Silva, Matheus R. Nascimento, Ricardo J. P. Lima, Francisco Murilo Tavares Luna, Célio Loureiro Cavalcante Júnior   +4 more
doaj   +1 more source

SnBr2-catalyzed highly selective synthesis of alkyl ethers from monoterpenes

Comptes Rendus. Chimie, 2020
An efficient and Brønsted acid-free route to synthesize monoterpene ethers was developed using SnBr2 as inexpensive and commercially affordable catalyst.
da Silva, Márcio J., Viana, Luna A. S., Teixeira, Milena G.   +2 more
doaj   +1 more source

Sphingolipid bases. A revisitation of the O-methyl derivatives of sphingosine. Isolation and characterization of diacetate derivatives, with revised 13C nuclear magnetic resonance assignments for D-erythro-sphingosine.

Journal of Lipid Research, 1995
As described by Carter et al. (J. Biol. Chem. 1951. 192: 197-207), O-methyl derivatives of sphingosine are formed upon acid hydrolysis of sphingolipids in the presence of methanol.
A Kisic, M Tsuda, R J Kulmacz, W K Wilson, G J Schroepfer, Jr   +4 more
doaj   +1 more source

Synthesis and Characterization of Cellulose Ethers from Screw Pine (Pandanus tectorius) Leaves Cellulose as Food Additives

International Journal of Technology, 2023
Isolation of cellulose from Screw pine (Pandanus tectorius) leaves and its transformation into cellulose ethers have been successfully conducted. Crystalline cellulose was obtained as a white powder in 40.24% yield from dried Screw pine leaf powder ...
Venty Suryanti, Triana Kusumaningsih, Diah Safriyani, Indri Sri Cahyani   +3 more
doaj   +1 more source

Isobaric Vapor Liquid Equilibrium at 101.3 kPa for the Binary Mixtures 2-Methyl-2-Butene / TAME and 2-Methyl-1- Butene / TAME

Chemical Engineering Transactions, 2013
Due to the increased interest for using tertiary ethers as fuel additives (such as TAME – tert-amyl-methyl-ether synthesis), the research intensified to study its thermodynamic aspects.
M. Bernabeu Diaz, V. Plesu, J. Bonet Ruiz, A.E. Bonet Ruiz, J. Llorens Llacuna   +4 more
doaj   +1 more source

Chlorosphaeropsidone and Epichlorospaeropsidone, Two New Chlorinated Dimedone Methyl Ethers Isolated from Liquid Cultures of «Sphaeropsis sapinea» f. sp. «cupressi»

Phytopathologia Mediterranea, 2007
Two new dimedone methyl ethers, named chlorosphaeropsidone and epichlorosphaeropsidone were isolated from the culture filtrates of Sphaeropsis sapinea f. sp. cupressi, the causal agent of a canker of Italian cypress (Cupressus sempervirens L.).
Andrea Motta, Anna Andolfi, Antonio Evidente, Federico Giordano, Giovanni Bruno, Lorenzo Sparapano   +5 more
doaj   +1 more source