| 摘要 |
NEW MATERIAL:PF1018 Substance having the following characteristics and a salt thereof. Color and shape: light yellow granular crystal. Elemental analysis (%): C 75.08, H 8.05, N 3.38. Mass spectrometry (FD-MS): m/z 433 (M<+>). Melting point: 182-184 deg.C. Specific rotatory power: [alpha] =-185 deg.C (C=1.0, CHCl3). Solubility: soluble in chloroform, ethyl acetate, acetone and methanol and insoluble in water. Acidic substance. USE:An insecticide. PREPARATION:A fungus [e.g. Humicola sp. PF 1018 strain (FERM BP-2627) belonging to the genus Humicola, capable of producing PF1018 substance is cultured preferably by submerged culture at 26 deg.C for 2-7 days. |
