Novel antibiotics useful as a remedy for fungal infections and a process for producing antibiotic TKR1912-I or pharmacologically acceptable salts thereof, which substances have such physicochemical properties that (1) the mass spectrum thereof according to FAB-MS has a peak of m/z of 559 ÄM+HÜ+; (2) the molecule bears 26 carbon atoms and no nitrogen atom; (3) the ultraviolet absorption spectrum thereof in methanol shows a terminal absorptions; (4) the main absorption wavenumbers of the infrared absorption spectrum according to the KBr method are 3430, 2920, 2850, 1740, and 1190 cm-1; and (5) they are soluble in methanol, chloroform, and water, but are sparingly soluble in hexane.
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机译:可用作真菌感染治疗药物的新型抗生素及其生产方法TKR1912-I或其药理学上可接受的盐,这些物质具有这样的物理化学性质:(1)根据FAB-MS的质谱峰为m / z 559ÄM+HÜ<+>; (2)该分子带有26个碳原子,没有氮原子; (3)其在甲醇中的紫外吸收光谱显示出最终吸收。 (4)根据KBr法的红外吸收光谱的主要吸收波数为3430、2920、2850,1740和1190cm -1; (5)它们可溶于甲醇,氯仿和水,但微溶于己烷。
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