ChemicalBook CAS DataBase List 4-Vinylbenzyl chloride

4-Vinylbenzyl chloride synthesis

13synthesis methods

Product Name:4-Vinylbenzyl chloride
CAS Number:1592-20-7
Molecular formula:C9H9Cl
Molecular Weight:152.62

Benzene, 1-(1-bromoethyl)-4-(chloromethyl)-

35793-35-2
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1592-20-7
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Yield:1592-20-7 95%

Reaction Conditions:

with 18-crown-6 ether;potassium hydroxide in toluene at 40; for 4 h;Reagent/catalyst;Temperature;Solvent;

Steps:

1-10; 3 Example 3

In a 500 ml four-necked flask, add 23.4 g of p-chloromethyl-α-bromoethylbenzene,92g of toluene,After dissolving with stirring and clarification, 11.2 g of potassium hydroxide and 2 g of 18-crown-6 were added and reacted at 40 ° C for 4 hours.After the reaction was cooled, 100 g of water was added to stir and dissolve, and the layers were left to stand.The upper layer solution was desolvated and distilled to obtain 14.5 g of finished p-chloromethylstyrene.The yield was 95%.

References:

CN110452089,2019,A Location in patent:Paragraph 0021-0040; 0042; 0049; 0052