• 甲酚原料经溴化、水解氧基化甲基4反应合成药物中间体3,4,5-甲氧基苯甲醛收率53

    The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

    youdao

  • 过氧化氧化剂十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化甲醛甲酸

    Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

    youdao

  • 过氧化氧化剂十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化甲醛甲酸

    Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

    youdao

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