| 摘要 |
PURPOSE:Antibiotic aculeacin DUPSILON. Characteristics thereof are as follows?elementary analysis, C 57.55%, H 8.32%, N 8.94%; molecular weight by the Rast method, 1265; m.p. 159-162 deg.C; specific rotation [alpha]<2>D<3>=-46.5 deg.(C=0.25, methanol); color reaction; positive to Pauly's reaction, etc., quasi-positive to Molisch's reaction, etc. negative to ninhydrin reaction, etc.; soluble in lower alchohols, slightly soluble in ethyl acetate, hardly soluble in acetone, etc.; white neutral substance; UV absorption spectrum shows a peak at 278nm; etc |
