A kind of novel anilide compound and its application
A technology of anilides, compounds, applied in the field of organic synthesis and medicine
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Embodiment 1
[0044] The preparation of embodiment 1 parahydroxyacetanilide ( figure 1 )
[0045]Acetic anhydride and 4-aminophenol in a molar ratio of 1:1 were refluxed in dichloromethane for 10 minutes. After the reaction, the solvent was removed under reduced pressure and recrystallized with ethanol to obtain the corresponding products with yields greater than 90%.
Embodiment 2
[0046] The preparation of embodiment 2 p-methoxyacetanilide ( figure 2 )
[0047] Take N-(4-hydroxyphenyl)acetamide and methyl iodide at a molar ratio of 1:1.1 in anhydrous potassium carbonate-dried acetone solution for reflux reaction for 3 hours. After the reaction, remove the solvent under reduced pressure and recrystallize with ethanol to obtain The corresponding product yields are all greater than 90%.
Embodiment 3
[0048] The preparation of embodiment 3 p-acetoxy acetanilide ( image 3 )
[0049] N-(4-hydroxyphenyl)acetamide and acetyl chloride in a molar ratio of 1:1 were refluxed in dichloromethane and triethylamine for 2 hours. After the reaction, the solvent was removed under reduced pressure and recrystallized from ethanol to obtain the corresponding The product yields are all greater than 80%.
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