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the central organic synthesis reagent for hydroboration Dicyclohexylcarbodiimide: an organic compound; primary use is to couple amino acids during artificial peptide synthesis Diethyl azodicarboxylate: a valuable reagent but also quite dangerous and explodes upon heating Diethyl ether: organic compound; a common laboratory solvent Dihydropyran
Organic solvents are almost always used as a mixture with water for process considerations such as reducing the vapour pressure and lowering the pH in order to also solubilise hemicellulose. Only some small organosolv pulp mills are run today for production of pulp from annual renewable non wood fibre sources like straw, bagasse, etc. [ 8 ]
Analogues derived from oxygen replaced by other chalcogens belong to the ester category as well (i.e. esters of acidic −SH, −SeH, −TeH, −PoH and −LvH groups). According to some authors, organyl derivatives of acidic hydrogen of other acids are esters as well (e.g. amides), but not according to the IUPAC. [1]
Most of the organic compounds that contain oxygen are not made by direct action of oxygen. Organic compounds important in industry and commerce are made by direct oxidation of a precursor include: [6] Ethylene oxide (used to make the antifreeze ethylene glycol) is obtained by direct oxidation of ethylene: C 2 H 4 + ½ O 2 + catalyst ...
Derivatives of tetrahydropyran are, however, more common. 2-Tetrahydropyranyl (THP-) ethers derived from the reaction of alcohols and 3,4-dihydropyran are commonly used as protecting groups in organic synthesis. [2] Furthermore, a tetrahydropyran ring system, i.e., five carbon atoms and an oxygen, is the core of pyranose sugars, such as glucose.
1,3-Diphenylisobenzofuran is a yellow, light- and air-sensitive, crystalline solid that is soluble in many organic solvents with a maximum absorption around 420 nm (in solution), which generates intense fluorescence. [23] Fluorescence measurements can be performed in DMF and DMSO because of the
In general, energy content increases with active oxygen content, and thus the higher the molecular weight of the organic groups, the lower the energy content and, usually, the lower the hazard. The term active oxygen is used to specify the amount of peroxide present in any organic peroxide formulation. One of the oxygen atoms in each peroxide ...
The international pictogram for oxidizing chemicals. Dangerous goods label for oxidizing agents. An oxidizing agent (also known as an oxidant, oxidizer, electron recipient, or electron acceptor) is a substance in a redox chemical reaction that gains or "accepts"/"receives" an electron from a reducing agent (called the reductant, reducer, or electron donor).
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