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Antibiotic substance b-41h and its preparation

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专利汇可以提供Antibiotic substance b-41h and its preparation专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:Antibiotic substance B-41H of formula.
USE: Miticide, insecticide and parasiticide. It has excellent miticidal activity to the imagoes and eggs of two-spotted spider mite, European red mite, etc. which are parasitic on fruit tree, vegetable, and petal, and to the mites belonging to Ixodiae family, Dermanyssidae family, etc. parasitic on animals.
PROCESS: B-41H-producing bacteria belonging to Streptomyces genus, e.g. Streptomyces B-41-146 strain (FERM-P No.1438) are cultured in a liquid medium under aerobic conditions. The cultured product is filtered using a filter aid, and the objective substance is extracted from the obtained cake with methanol. The extract liquid is passed through a silica gel column to adsorb the objective substance, which is eluted and purified to obtain the compound of formula.
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