Thioether

chemical substances

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Thioether is a kind of organic matter with the general formula R-S-R Potassium sulfide (or sodium) and Halohydrocarbon or Sulfate ester Reaction.

Sulfur ether is insoluble in water and has a pungent smell. It is usually liquid. Easily oxidized Sulfoxide Or sulfone, generated by interaction with halohydrocarbon Matte salt (Onion salt). Under the influence of sulfur atom in the molecule, Alpha carbon atom Can form carbon positive anion Or carbon Free radical So as to carry out various chemical reaction 。 Sulfur ethers are mostly organic synthetic materials. Thioether is toxic.

Chinese name: Thioether
Foreign name: thioether
Alias: sulfides(organic)
Water solubility: Insoluble in water

Application: Organic synthetic raw materials
Smell: Irritating odor
Toxicity: Toxic
General formula: R-S-R

Structural formula

Picture 1

Sulfur compounds equivalent to ether structure. Diallyl sulfide ( CH2 =CH-CH2) 2S exists in garlic. methionine (The structural formula is as follows) contains thioether structure: (Figure 1); Sulfur ether with low molecular weight has odor, which is divalent sulfur chemical compound The commonality of. Thioether can be measured by theoretical hydrogen peroxide Oxidation Sulfoxide , oxidized by excessive hydrogen peroxide to sulfone (R is alkyl ）: (Figure 2) Sulfur ether can be composed of mercaptan or Thiophenol Sodium salt of Halohydrocarbon React or interact with olefin Bonus system:

Figure II

Thioether

R-S-Na+R ′ Br - → R-S-R ′+NaBr (Figure 3); two Haloalkane And Potassium sulfide Reaction generation Cyclic sulfide Or chain high molecular sulfide or a mixture of both.

Sulfide is widely used, such as as pesticide Fuel oil additive and Lubricant additives Etc.

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