NOVEL ANTIBIOTIC SUBSTANCE SFF15400B* ITS PREPARATION AND AGRICULTURAL FUNGICIDES CONTAINING THE SAME

摘要

PURPOSE:Antibiotic substance SF-1540-B having the following properties. Specific rotation in chloroform; [alpha]<2>D<0>=+39 deg.: values of elementary analys is; C 66.31%, H 8.76%, O 24.93%: UV absorption peaks in methanol; 247nm, 277nm: IR absorption peaks; 3380, 1720, 1670, 1260, 1100, 980cm<-1>; proton NMR signals; 0.89, 1.94, 1.99, 2.06, 3.26, 6.89ppm