Results 11 to 20 of about 72,007 (341)

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

Platinum(0)-mediated C–O bond activation of ethers via an SN2 mechanism [PDF]

, 2016
A computational study of the C(methyl)–O bond activation of fluorinated aryl methyl ethers by a platinum(0) complex Pt(PCyp3)2 (Cyp = cyclopentyl) (N. A. Jasim, R. N. Perutz, B. Procacci and A. C. Whitwood, Chem.
Jasim, Nasarella A., Lledos, Agusti, Ortuno, Manuel, Perutz, Robin Noel, Whitwood, Adrian C.   +4 more
core   +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

Thioether-catalysed tandem synthesis of furans and cyclic ethers or lactones [PDF]

, 2017
Acyclic conjugated ynenediones tethered to an alcohol or carboxylic acid are converted into furanyl-substituted cyclic ethers or lactones in a single step by treatment with the tetrahydrothiophene.
Clark, J. Stephen, Klaus, Verena
core   +1 more source

Analysis of the volatile compounds in Fuliji roast chicken during processing and storage based on GC-IMS

Current Research in Food Science, 2022
To investigate the flavor changes of Fuliji roast chicken during processing and storage, the volatile organic compounds (VOCs) during processing (fresh, fried, stewed and sterilized) and storage (1 month, 2 months and 4 months) were determined by gas ...
Hui Zhou, Wei Cui, Yafei Gao, Ping Li, Xinyuan Pu, Ying Wang, Zhaoming Wang, Baocai Xu   +7 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

Permitted daily exposure for diisopropyl ether as a residual solvent in pharmaceuticals [PDF]

, 2018
Solvents can be used in the manufacture of medicinal products provided their residual levels in the final product comply with the acceptable limits based on safety data.
Evandri, Maria Grazia, Romanelli, Luca
core   +1 more source

CuCl2-catalyzed One-pot Formation of Tetrahydroquinolines from N-Methyl-N-alkylanilines and Vinyl Ethers in the Presence of t-Butylhydroperoxide

Molecules, 2006
Tetrahydroquinoline skeletons can be formed by a CuCl2-catalyzed one-potreaction of N-methyl-N-alkylanilines and vinyl ethers in the presence of t-butyl-hydroperoxide.
Yanfeng Jiang, Chanjuan Xi, Xianghua Yang   +2 more
doaj   +1 more source

Final Report on the Safety Assessment of PPG-2 Methyl Ether, PPG-3 Methyl Ether, and PPG-2 Methyl Ether Acetate [PDF]

International Journal of Toxicology, 2009
PPG-2 methyl ether, PPG-3 methyl ether, and PPG-2 methyl ether acetate are used in cosmetics as fragrance ingredients and/or solvents at concentrations of 0.4% to 2%. Propylene glycol ethers are rapidly absorbed and distributed throughout the body when introduced by inhalation or oral exposure, but the inhalation toxicity of PPG-2 methyl ether vapor ...
Valerie, Robinson, Wilma F, Bergfeld, Donald V, Belsito, Curtis D, Klaassen, James G, Marks, Ronald C, Shank, Thomas J, Slaga, Paul W, Snyder, F Alan, Andersen   +8 more
openaire   +2 more sources

Stereoisomer libraries: Total synthesis of all 16 stereoisomers of the pine sawfly sex pheromone by a fluorous mixture-synthesis approach [PDF]

, 2004
All 16 stereoisomers of the sex pheromone of pine sawfly (3,7,11-trimethylundecanol propanoate ester) have been synthesized on a 10- to 20-mg scale by a split-parallel fluorous mixture-synthesis approach.
Curran, D. P. Curran, Hedenstr  m, Houghten, Luo, M. Jeske, S. Dandapani, Zhang, Zhang, Zhang   +9 more
core   +3 more sources