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ChemicalBook CAS DataBase List Phenylacetylene
536-74-3

Phenylacetylene synthesis

15synthesis methods
-

Yield:536-74-3 97.5%

Reaction Conditions:

with sodium methylate in tetrahydrofuran;Reflux;Solvent;Reagent/catalyst;

Steps:

1-6 Example 2

Embodiment two: In a 500ml three-necked flask, add 160ml of tetrahydrofuran and 52.8g (0.2mol) of 1,2-dibromoethylbenzene,Sodium methoxide 22.68g (0.42mol),Stir well,Heat reflux to react to raw material 1,Residual 2-dibromoethylbenzene≦0.5%,After filtering, the filter cake is washed with tetrahydrofuran,The filtrates were then combined and distilled under reduced pressure,Phenylacetylene was obtained with a yield of 97.5%,The GC purity is 99.14%.

References:

CN112457148,2021,A Location in patent:Paragraph 0037-0048

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