| 摘要 |
PURPOSE:Antibiotic SF-2002 substance. Characteristics thereof are as follows: white powder, m.p. 121-123 deg.C, specific rotatory power [alpha]<2>D<5>=-108 deg. (1%, chloroform);6 compositon of elements (wt.%): C 57.11, H 8.07, N 10.19, O 24.63, molecular weight 850-900; UV absorption spectrum shows no characteristic peak at 210-400mmu; slightly soluble in water, hexane, etc., soluble in ethyl acetate, etc. and easily soluble in chloroform, etc.; positive to potassium premanganate reaction. etc., and negative to ninhydrin reaction |
