ChemicalBook CAS DataBase List 1-Dodecanethiol

1-Dodecanethiol synthesis

12synthesis methods

Product Name:1-Dodecanethiol
CAS Number:112-55-0
Molecular formula:C12H26S
Molecular Weight:202.4

Preparation of 1-dodecanethiol: 1-Bromododecane, thiourea and 95% ethanol are heated to reflux reaction, then sodium hydroxide solution is added and heated. After the reaction is finished, cooled and left to stratify, the oil layer is the crude thiol. The crude product is washed with water, dried, distilled, and distilled under reduced pressure, which is 1-dodecanethiol.

112-52-7
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112-55-0
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Yield:112-55-0 244 g

Reaction Conditions:

with sodium hydrogensulfide;tetrabutylammomium bromide in water;chlorobenzene at 65 - 70; for 12 h;

Steps:

5 Example 5

The second phase (445 g) is distilled to obtain n-chlorododecane (V) (143 g). 143 g of the n-chlorododecane (V), 100 g of chlorobenzene, 180 g of a 32% by weight sodium bisulfide solution in water and 4 g of tetra-butylammonium bromide are added into a 1000 ml four-necked flask with a stirrer, a thermometer and a condenser. At a temperature in the range of from 65 to 70° C., the mixture is reacted for 12 h. The mixture is separated into an aqueous layer and an organic layer. The organic layer is n-dodecanethiol (III) (244 g).

References:

US2015/336910,2015,A1 Location in patent:Paragraph 0277

2757-37-1 Synthesis

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112-55-0
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References

112-41-4
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14402-50-7
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112-55-0
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References

103212-64-2
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143-07-7 Synthesis

143-07-7
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112-55-0
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References

Benzene, 1-[[(1Z)-2-(dodecylthio)ethenyl]sulfonyl]-4-methyl-

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112-55-0
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References

1-Dodecanethiol Related Search:

N,N-Dimethyldodecylamine Ethanethiol 1-Dodecanol 1,2-Ethanedithiol Octadecanethiol Dodecane METHYL MERCAPTAN N-OCTADECYLTRIETHOXYSILANE Decanoic acid Dodecanedioic acid