Polyene macrolide compound as well as preparation method and application thereof

The invention relates to a fungus control technology, and discloses a polyene macrolide compound as well as a preparation method and application thereof. The structural formula of the polyene macrolide compound provided by the invention is shown as a formula (I). The preparation method of the polyene macrolide compound provided by the invention comprises the following steps: performing fermentation culture on actinosporium to obtain fermentation liquor, and separating and purifying the fermentation liquor to obtain the polyene macrolide compound. The invention also provides an application of the polyene macrolide compound to prevention and treatment of plant fungal diseases and an application to preparation of antifungal drugs. The polyene macrolide compound not only has a good prevention and treatment effect on plant fungal diseases, but also has an obvious inhibition effect on animal superficial and systemic fungal infection. 本发明涉及真菌防治技术，公开了一种多烯大环内酯类化合物及其制备方法和应用。本发明提供的多烯大环内酯类化合物的结构式如式(I)所示。本发明提供的制备多烯大环内酯类化合