发明名称 |
Process for preparing N-acetylneuraminic acid derivatives |
摘要 |
A new process for preparing halides of N-acetylneuraminic acids useful as an intermediate in preparing new N-acetylneuraminic acid derivatives having an excellent immunological activity is provided, which process comprises simultaneously acetylating and halogenating an esterified N-acetylneuraminic acid with the aid of an acetyl halide, and according to the process, the halides may be obtained in high yield of about 90%.
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申请公布号 |
US4914195(A) |
申请公布日期 |
1990.04.03 |
申请号 |
US19840664686 |
申请日期 |
1984.11.26 |
申请人 |
MECT CORPORATION |
发明人 |
OGURA, HARUO;FURUHATA, KIMIO;SHITORI, YOSHIYASU;ITO, MASAYOSHI |
分类号 |
C07H13/06;C07H13/04;C07H13/08;C07H19/06;C07H19/16 |
主分类号 |
C07H13/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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