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    • 8. 发明专利
    • Physiologically active substance b-52653 and its preparation
    • 空值
    • JPS5754151A
    • 1982-03-31
    • JP13029880
    • 1980-09-18
    • Takeda Chem Ind Ltd
    • HIGASHIDE EIJIHORII SATOSHI
    • C12P21/02A61K38/00A61P31/04A61P43/00C07K5/06C07K14/195C07K14/41C12R1/47
    • C12R1/465A61K38/00C07K5/06026Y10S435/886Y10S435/887
    • NEW MATERIAL:A physiologically active substance B-52653, and L-alanyl-L-[(3R)-5-hydroxyl-2-oxopyrrolidine-3-yl]glycine. Color and shape of substance, white powder Elemental analysis, C
      9 H
      15 N
      3 O
      5 .2H
      2 O. Specific rotatory power, [α]D
      25 +50°± 5°(C=1.0, H
      2 O). Color reaction, positive in ninhydrin reaction, etc.
      USE: Useful as a physiologically active substance. Exhibiting antibacterial power against the growth of Gram-positive and Gram-negative bacteria by inhibiting action on cell wall synthesis. Exhibiting inhibiting actions on collagen proline hydroy enzyme.
      PROCESS: "Streptomyces" No.B-52653 strain (FERM-P5677) is cultivated in a proper culture, and a single means or any combination of means to be used to collect a substance of metabolism from the filtrate is effected to give B-52653.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:生理活性物质B-52653和L-丙氨酰-L- [(3R)-5-羟基-2-氧代吡咯烷-3-基]甘氨酸。 物质的颜色和形状,白色粉末元素分析,C9H15N3O5.2H2O。 特定旋光度,αD 25 + 50度+或-5℃(C = 1.0,H 2 O)。 色素反应,茚三酮反应中呈阳性等。用途:可用作生理活性物质。 通过抑制细胞壁合成的作用,展现抗革兰氏阳性和革兰氏阴性细菌生长的抗菌力。 展示胶原脯氨酸水解酶的抑制作用。 方法:将“Streptomyces”号B-52653菌株(FERM-P5677)在合适的培养物中培养,并且实现用于从滤液中收集代谢物质的单一方法或任何组合的方法,以得到 B-52653。