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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]
Synthesis of acrylic acid using "Reppe chemistry"; a metal catalyst is required. The carbomethoxylation of ethylene to give methyl propionate: C 2 H 4 + CO + MeOH → MeO 2 CC 2 H 5. Methyl propionate ester is a precursor to methyl methacrylate. [10] Hydroesterification is like hydrocarboxylation, but it uses alcohols in place of water. [11]
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.
Dimethyl acetylenedicarboxylate (DMAD) is an organic compound with the formula CH 3 O 2 CC 2 CO 2 CH 3. It is a di- ester in which the ester groups are conjugated with a C-C triple bond. As such, the molecule is highly electrophilic , and is widely employed as a dienophile in cycloaddition reactions, such as the Diels-Alder reaction .
Ytterbium(III) oxalate pentahydrate is decomposed by heat to obtain the dihydrate, which is further heated to obtain ytterbium(III) oxide. [2] [3] It reacts with acids to obtain H[Yb(C 2 O 4) 2].6H 2 O. [4]
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Olive oil is one of the most common cooking oils worldwide. It is cherished for its rich flavor and impressive health benefits. Made by harvesting olives, crushing them into a paste, and then ...