anisole वाक्य
उदाहरण वाक्य
मोबाइल
- The name indicates that this compound is the sulfur-analogue of methoxybenzene, anisole.
- For instance anisole with lead tetraacetate forms'p-methoxyphenyllead triacetate in chloroform and dichloroacetic acid:
- It has an anisole ( methoxybenzene ) core, with two nitro groups ( NO 2 ) attached.
- Glycerol and acetic acid are examples of retained semisystematic names; furan and anisole are examples of retained trivial names.
- The product of the o-alkylation is methoxybenzene, better known as anisole, and water, which is not shown in the diagram.
- The kinetics and thermodynamics of this reaction are not favorable For example, at higher temperatures, dimethyl carbonate undesirably methylates phenol to give anisole.
- But winemakers are growing disillusioned with natural corks, because of continuing problems with TCA, short for 2, 4, 6-trichloro anisole.
- In one study such reaction, an intramolecular C-N coupling of an alkoxyhydroxylamine to its anisole group is accomplished with a catalytic amount of aryliodide in trifluoroethanol:
- Another example of this application is extracting anisole from a mixture of water and 5 % acetic acid using ether, then the anisole will enter the organic phase.
- Another example of this application is extracting anisole from a mixture of water and 5 % acetic acid using ether, then the anisole will enter the organic phase.
- When phenol is reacted with diazomethane in the presence of boron trifluoride ( BF 3 ), anisole is obtained as the main product and nitrogen gas as a byproduct.
- The principal problem is TCA, or 2, 4, 6-trichloro anisole, a moldy-smelling compound caused by the action of chlorine on cork bark in a cleaning process.
- Benzene, toluene, tert-butylbenzene, halo-benzenes, " ortho "-nitrotoluene, anisole, phenol and acetanilide are all rapidly nitrated within 30 minutes at room temperature.
- Such reactions proceed particularly well with electron-rich arenes such as anisole, either as the neat reagent or using a mixture of THF and dibutyl ether, the latter to increase the boiling point of the mixture.
- In the presence of other UV filter, Benzotriazole, and humic acids, Benzophenone-3 degradation was observed through the loss of hydroxyl and benzoyl functional groups resulting in the formation of 2, 4 dimethyl anisole.
- Combining phenols with methanol over alumina in a dry carbon dioxide atmosphere at 410 & ndash; 440 �C also produces hexamethylbenzene, though as part of a complex mixture of anisole ( methoxybenzene ), cresols ( methylphenols ), and other methylated phenols.
- The diocese honours in a special manner as saints : Calais, hermit and founder of the monastery of Anisole, from whom the town of Saint-Calais took its name; Laumer, successor to St . Calais; Guingalois or Gu�nol? founder of the monastery of Landevenec in Brittany, whose relics are venerated at Ch�teau du Loir.
- Cork taint can happen when corks, which are plugs of bark from the Portuguese cork oak tree, are cleaned; occasionally the bleach will react with a naturally occurring compound in the cork to produce TCA ( 2, 4, 6-trichloro anisole ), which gives wine that undrinkable funkiness and is perceptible in as few as 30 parts per trillion.
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