Based on 1H and 13C NMR spectral analysis, the structures of kerriamycins A, B and C, new isotetracenone antibiotics, have been elucidated as shown in Fig. 1. Kerriamycin A contains a novel sugar, kerriose.
根据1 H和13 C NMR光谱分析,如图1所示,阐明了角叉霉素A,B和C(一种新的异四烯酮抗生素)的结构。角霉素A含有一种新型糖,即角藻糖。