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    • 2. 发明申请
    • Method For Producing Amide Compound
    • 生产酰胺化合物的方法
    • US20090171051A1
    • 2009-07-02
    • US12089511
    • 2006-10-06
    • Hiroko ShibamotoToshikazu AikawaTeruo AriiMasanori MuramotoTakeshi FukudaKiyoshi ItoTakeya AbeSouichi Hazama
    • Hiroko ShibamotoToshikazu AikawaTeruo AriiMasanori MuramotoTakeshi FukudaKiyoshi ItoTakeya AbeSouichi Hazama
    • C08F22/38C12P13/02
    • C12P13/00C07C231/06C08F220/56C12P13/02C07C233/09
    • [Problems] The present invention provides a method for efficiently producing a corresponding amide compound from a nitrile compound by a reaction using a nitrile hydratase and a method for producing an amide-based polymer excellent in quality from the amide compound. In addition, the present invention provides a method for more efficiently producing an acrylamide with higher quality by a microbial catalyst containing a nitrile hydratase and the like and a method for producing an acrylamide-based polymer, which is excellent in hue, has a good balance between the water solubility and the high molecular weight and is also excellent in quality, by using the acrylamide.[Means for Solving the Problems] The method for producing an amide compound of the present invention is characterized in that in a method for producing an amide compound from a nitrile compound in an aqueous medium in the presence of a catalyst having a nitrile hydratase activity, the concentration of benzene in the aqueous medium is 4.0 ppm or less. In addition, the method for producing an amide-based polymer of the present invention is characterized by homopolymerizing the amide compound or by copolymerizing the amide compound and at least unsaturated monomer copolymerizable with the amide compound. Further, the method for producing acrylamide of the present invention is characterized by hydrating acrylonitrile having a concentration of acrolein of 1 ppm or less by a microbial cell containing a nitrile hydratase or a processed product of the microbial cell in an aqueous medium. Furthermore, the method for producing an acrylamide-based polymer of the present invention is characterized by homopolymerizing the acrylamide or by copolymerizing the acrylamide and at least one unsaturated monomer copolymerizable with the acrylamide.
    • 本发明提供一种通过使用腈水合酶的反应从腈化合物有效地制备相应的酰胺化合物的方法和由酰胺化合物质量优异的酰胺类聚合物的制备方法。 此外,本发明提供了一种通过含有腈水合酶等的微生物催化剂更有效地制备丙烯酰胺的方法以及色调优异的丙烯酰胺类聚合物的制造方法,其平衡性良好 在水溶性和高分子量之间,并且通过使用丙烯酰胺也具有优异的质量。 解决问题的手段本发明的酰胺化合物的制造方法的特征在于,在具有腈水合酶活性的催化剂存在下,在含水介质中由腈化合物制备酰胺化合物的方法中, 水介质中苯的浓度为4.0ppm以下。 此外,本发明的酰胺系聚合物的制造方法的特征在于,使酰胺化合物均聚,或者使酰胺化合物与至少与酰胺化合物可共聚的不饱和单体共聚。 此外,本发明的丙烯酰胺的制造方法的特征在于,通过含有腈水合酶的微生物细胞或微生物细胞的加工产物在水性介质中使丙烯醛浓度为1ppm以下的丙烯腈水合。 此外,本发明的丙烯酰胺类聚合物的制造方法的特征在于使丙烯酰胺均聚或通过共聚丙烯酰胺和至少一种与丙烯酰胺共聚的不饱和单体。