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Vinylene carbonate (VC) or 1,3-dioxol-2-one, is the simplest unsaturated cyclic carbonic acid ester. Vinylene carbonate can also be thought of as the cyclic carbonate of the hypothetical ( Z )-ethene-1,2-diol.
Vinylene carbonate, simplest unsaturated cyclic carbonic acid ester This page was last edited on 26 August 2022, at 19:57 (UTC). Text is available under the ...
In chemistry, vinylene (also ethenylene or 1,2-ethenediyl) [1] is a divalent functional group (a part of a molecule) [2] with formula −CH=CH−; [3] namely, two carbons, each connected to the other by a double bond, to an hydrogen atom by a single bond, and to the rest of the molecule by another single bond.
APCI is a soft ionization method similar to chemical ionization where primary ions are produced on a solvent spray. [4] The main usage of APCI is for polar and relatively less polar thermally stable compounds with molecular weight less than 1500 Da. [ 5 ] The application of APCI with HPLC has gained a large popularity in trace analysis ...
Superconcentrated electrolytes, also known as water-in-salt or solvent-in-salt liquids, usually refer to chemical systems, which are liquid near room temperature and consist of a solvent-to-dissoved salt in a molar ratio near or smaller than ca. 4-8, i.e. where all solvent molecules are coordinated to cations, and no free solvent molecules remain. [1]
Ketenes can also be formed from α-diazoketones by the Wolff rearrangement, and from vinylene carbonate by phosphorus(V) sulfide and irradiation. [6] Another way to generate ketenes is through flash vacuum thermolysis (FVT) with 2-pyridylamines. Plüg and Wentrup developed a method in 1997 that improved on FVT reactions to produce ketenes with ...