摘要:
The present invention relates to a recombinant microorganism expressing avermectin or analogues thereof and construction method thereof, and also relates to a method of producing avermectin or analogues thereof using the recombinant microorganism, and avermectin or analogues thereof obtained using the method. In addition, the present invention further relates to uses of the avermectin or analogues thereof as insecticides. Using the recombinant microorganism of the present invention to produce avermectin or analogues thereof has numerous advantages, for example comprising at least one of the following: good stability, high yield, simple process, environmentally friendly, and greatly saving of production costs.
摘要:
The invention discloses a method for the separation and purification of epothilones, especially discloses a method for the separation and purification of epothilones B and A using normal phase silica gel chromatography, which comprises loading the sample after dissolving the sample containing epothilones B and A with C 1 -C 7 alkyl halide compounds or mixing the sample with silica gel, then gradient eluting silica gel column by an elution solvent of normal phase silica gel column, and finally obtaining products.
摘要:
A sixteen-membered macrolide compound and use thereof, the compound structure being represented in formula (I), wherein R is CH 3 or C 2 H 5 . The present compound has a wide range of application in the preparation of chemicals for preventing and controlling insect pests and mites of agriculture and forestry.
摘要翻译:十六元大环内酯化合物及其用途,化合物结构如式(I)所示,其中R为CH 3或C 2 H 5。 本发明化合物在制备用于预防和控制农林害虫和螨虫的化学品中具有广泛的应用。