| abstract |
NEW MATERIAL:The compound of formula having the following physical and chemical properties. Appearance, orange acicular crystal; melting point, 294-296°C (decomposition); molecular formula, C 15 H 12 O 4 N 2 ; high-resolution EI mass- spectrometry, m/z 284.0825 (M+); solubility, soluble in chloroform, methanol, ethyl acetate, acetonitrile and dimethyl sulfoxide and insoluble in water and n-hexane; etc. n USE: Mildew-proofing agent. n PREPARATION: A bacterial strain belonging to genus Streptomyces and capable of producing BT-38 substance [preferably Streptomyces exfoliatus BT-38 (FERM BP-2881)] is cultured preferably in a liquid medium under aerobic condition at 20-30°C. n COPYRIGHT: (C)1992,JPO&Japio |