| 摘要 |
NEW MATERIAL:A compound expressed by the formula having following physicochemical properties: appearance: colorless prismatic crystal and neutral substance; melting point: 222-226 deg.C (decomposing); specific optical rotation: [alpha]=-25.3 deg. (c=1.0 in CHCl3); molecular formula: C24H38N4O7S2; element analysis (%): C 50.69, H 6.78, N 9.73; molecular weight: 558 by FAB-MS m/z 559 (M+H)<+>; solubility: soluble in chloroform or ethyl acetate, slightly soluble in methanol or acetone, insoluble in water or hexane; color reaction: positive to cerium sulfate reaction or iodine gas reaction, negative to ninhydrin reaction or ferric chloride reaction, etc.; etc. USE:Used as antibacterial agent or antitumor agent. PREPARATION:Strain belonging to genus Pseudomonas such as Pseudomonas chlororaphis No.2522 (FERM BP-2572) is cultured in an aerobic condition. |
