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Antibiotic, oxanosine, and its preparation

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专利汇可以提供Antibiotic, oxanosine, and its preparation专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:An antibiotic, oxanosine, of the formula.
USE: It is used as a medicine, because of its inhibition of the growth of gram- negative bacteria as well as its carcinostatic and antiviral activities.
PREPARATION: A strain in Streptomyces, capable of producing an antibiotic, oxanosine, e.g., Streptomyces capreolus MG 265-CF 3 strain (FERM-5735), is cultured under neutral or slightly acidic conditions through the liquid or submerged fermentation process at 25W35°C and oxanosine is separated from the culture mixture. Physical and chemical properties of oxanosine are as follows: appearance, light grey needle crystals; melting point, it shows no definite melting or decomposition point and gradually decomposes over 199°C; specific rotatory power [α]D
23 =-36.7°(c=0.3 in H
2 O); solubility, soluble in water, methanol, insoluble or hard soluble in ethanol, acetone; color reactions, positive to Leiden- Smith reagent and 5% sulfuric acid, negative to ninhydrin and Sakaguchi reagent.
COPYRIGHT: (C)1982,JPO&Japio,下面是Antibiotic, oxanosine, and its preparation专利的具体信息内容。

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