Results 91 to 100 of about 68,150 (262)

Bases of inorganic and organic chemistry [PDF]

open access: yes, 2016
Stated fundamental theoretical principles of general, inorganic and organic chemistry and analyzed the reactivity of the most important classes of inorganic and organic substances. A multivariate tasks and exercises for classroom and independent work are
Alami, D., Slavkova, M., Ved, M.
core  

Gas-liquid chromatographic analyses of 1,2-ethanediol monoethers and monoesters

open access: yesJournal of Lipid Research, 1968
Synthetic mixtures of saturated and unsaturated monoethers and monoesters of 1,2-ethanediol, ranging in chain length from 12 to 20, were analyzed as acetates, trifluoroacetates (TFA), and trimethylsilyl (TMS) ethers by gas chromatography on polar and ...
Randall Wood, Wolfgang J. Baumann
doaj  

Separator for alkaline electric cells and method of making [PDF]

open access: yes, 1970
Modified cellulose ether films having an increased electrolytic conductivity and a useable flexibility and in certain instances an increased flexibility are presented.
Hoyt, H. E., Pfluger, H. L.
core   +1 more source

An Efficient and Short Route for the Synthesis of Reverse Pyrrole Ribonucleosides

open access: yesJournal of the Brazilian Chemical Society, 2002
The synthesis of reverse pyrrole ribonucleosides methyl 5-C-(4-acetyl-5-methyl-pyrrol-1-yl)-2,3-O-isopropylidene-5-deoxy- beta-D-ribofuranoside (10), methyl 5-C-(4-ethoxycarbonyl-5-methyl-pyrrol-1-yl)-2,3-O-isopropylidene-5-deoxy- beta-D-ribofuranoside ...
Pereira Letícia O. R.   +3 more
doaj  

Aqueous alkali metal hydroxide insoluble cellulose ether membrane [PDF]

open access: yes, 1969
A membrane that is insoluble in an aqueous alkali metal hydroxide medium is described. The membrane is a resin which is a water-soluble C2-C4 hydroxyalkyl cellulose ether polymer and an insolubilizing agent for controlled water sorption, a dialytic and ...
Hoyt, H. E., Pfluger, H. L.
core   +1 more source

Conversion of fatty aldehyde dimethyl acetals to the corresponding alk-1-enyl methyl ethers (substituted vinyl ethers) during gas-liquid chromatography

open access: yesJournal of Lipid Research, 1967
The behavior of palmitaldehyde and linolealdehyde and of their dimethyl acetals during gas-liquid chromatography on Β-cyclodextrin acetate (Β-CDX acetate) and ethylene glycol succinate polyester-phosphoric acid (EGSP) columns was studied.
V. Mahadevan   +2 more
doaj  

Alumination of aryl methyl ethers: switching between sp2 and sp3 C-O bond functionalisation with Pd-catalysis.

open access: yesChem Commun (Camb), 2021
Brown RK   +5 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy