金线莲一促生真菌的化学成分

Secondary Metabolites of Gliocladium sp.,A Growth Accelerating Fungus for Anoectochilus roxburghii (Wall.) Lindl.

目的 :对一种对金线莲生长有明显促进作用的粘帚霉属真菌发酵菌丝体的化学成分进行分离鉴定。方法 :柱色谱分离 ,光谱和化学方法鉴定结构。结果 :分离鉴定了脑苷 (Ⅰ ) ,鞘安醇 (Ⅱ ) ,氧桥麦角甾 (Ⅲ )等 5个化合物。结论 :Ⅰ ,Ⅱ 。

Objective:To study the secondary metabolites of fungus Gliocladium sp. that helps accelerate the growth of A. roxburghii .Method:Compoud isolation by chromatography and structure elucidation by chemical and spectral analyses.Result:Five compounds were obtained and elucidated as:8( E) N (2′ hydroxypalmityl) 1 O β gly copyranosyl 3 hydroxyl 9 methyl 2 octodecanine 4,8 diene(Ⅰ), N (2′ hydroxytetracosanoyl) 1,3,4 trihydroxy 2 octodecanine(Ⅱ),7,22 diene 3 hydroxy 6,9 epidioxyergosta(Ⅲ),ergostol(Ⅳ) and α palmitin(Ⅴ).Conclusion:Ⅰ,Ⅱ,Ⅲ were obtained from Gliocladium sp. for the first time. [