Antibiotic substances DC-45, and their use as medicaments
    51.
    发明授权
    Antibiotic substances DC-45, and their use as medicaments 失效
    抗生素DC-45及其作为药物的用途

    公开(公告)号:US4511560A

    公开(公告)日:1985-04-16

    申请号:US412693

    申请日:1982-08-30

    CPC分类号: C12R1/465 C12P1/06

    摘要: New substances designated as DC-45-A, DC-45-B.sub.1 and DC-45-B.sub.2 and represented by the following general formula: ##STR1## wherein (i) R.sub.1 and R.sub.2 together with the carbon atom therebetween represent the group ##STR2## and R.sub.3 represents ##STR3## (designated DC-45-A); (ii) R.sub.1 represents --OH, R.sub.2 represents --CH.sub.2 OH and R.sub.3 represents ##STR4## (designated DC-45-B.sub.1); or (iii) R.sub.1 and R.sub.2 together with the carbon atom therebetween represent the group ##STR5## and R.sub.3 represents ##STR6## (designated DC-45-B.sub.2). DC-45-A, DC-45-B.sub.1 and DC-45-B.sub.2 possess antibiotic and anti-tumor activity and may be obtained by culturing a microorganism of the genus Streptomyces. Preferred strain is Streptomyces bottropensis (FERM-P No. 5219; NRRL 12051).

    摘要翻译: 指定为DC-45-A,DC-45-B1和DC-45-B2的新物质,由以下通式表示:其中(i)R 1和R 2与它们之间的碳原子代表基团(指定为DC-45-A); (ii)R 1表示-OH,R 2表示-CH 2 OH,R 3表示(指定为DC-45-B1)。 或(iii)R 1和R 2与它们之间的碳原子代表基团,并且R 3代表“IMAGE”(指定为DC-45-B2)。 DC-45-A,DC-45-B1和DC-45-B2具有抗生素和抗肿瘤活性,可以通过培养链霉菌属的微生物获得。 优选的菌株是巴斯德链霉菌(FERM-P No.5219; NRRL 12051)。