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Dimethyl oxalate can be converted into ethylene glycol in high yields (94.7%) [10] [11] The methanol formed is recycled in the process of oxidative carbonylation. [12] Other plants with a total annual capacity of more than 1 million tons of ethylene glycol per year are planned. Decarbonylation gives dimethyl carbonate. [13]
Dimethyl carbonate and dimethyl oxalate are produced industrially using carbon monoxide and an oxidant, in effect as a source of CO 2+. [2]+ + + The oxidative carbonylation of methanol is catalyzed by copper(I) salts, which form transient carbonyl complexes.
Oxidative carbonylation is a class of reactions that use carbon monoxide in combination with an oxidant to generate esters and carbonate esters.These transformations utilize transition metal complexes as homogeneous catalysts. [1]
Oxalate (systematic IUPAC name: ethanedioate) is an anion with the chemical formula C 2 O 2− 4. This dianion is colorless. It occurs naturally, including in some foods. It forms a variety of salts, for example sodium oxalate (Na 2 C 2 O 4), and several esters such as dimethyl oxalate ((CH 3) 2 C 2 O 4). It is a conjugate base of oxalic acid.
Monomethyl oxalate, a compound that cannot be isolated but is an intermediate in synthesizing or hydrolyzing dimethyl oxalate Index of chemical compounds with the same molecular formula This set index page lists chemical structure articles associated with the same molecular formula .
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Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide ... dimethyl oxalate: 553-90-2 (CH 3) 2 NNH 2: dimethyl ...
ODAP can be synthesized from L-α,β-diaminopropionic acid and dimethyl oxalate at a pH of 4.5-5. Cupric oxide can be used to temporarily protect the α-NH2 group of the L-α,β-diaminoproprionic acid during the reaction. [2] The pathway for one chemical synthesis of ODAP