p- p- Method for preparing p-Hydroxyacetophenone and cosmetic composition containing p-Hydroxyacetophenone
A disclosed method for producing p-hydroxyacetophenone includes: a first step of preparing phenylacetate; and a second step of obtaining p-hydroxyacetophenone through distillation under reduced pressure after making the phenylacetate react using an acid catalyst set in a solvent selected from a mixt...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | A disclosed method for producing p-hydroxyacetophenone includes: a first step of preparing phenylacetate; and a second step of obtaining p-hydroxyacetophenone through distillation under reduced pressure after making the phenylacetate react using an acid catalyst set in a solvent selected from a mixture of haloalkyl ethers, alkyl acetates, haloalkyl ethers and alkyl acetates.
개시되는 p-하이드록시아세토페논의 제조방법은, 페닐아세테이트를 준비하는 제1 단계; 및 상기 페닐아세테이트를 할로알킬에테르류, 알킬아세테이트류 및 할로알킬에테르류와 알킬아세테이트류의 혼합물 중에서 선택된 용매하에서 설정된 산촉매를 이용하여 반응시킨 후 감압증류를 통해 p-하이드록시아세토페논을 얻는 제2 단계;를 포함한다. |
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