NOVEL COMPOUND, ITS PRODUCTION, PLANT GROWTH REGULATOR HERBICIDE AND MICROBICIDE

摘要

PROBLEM TO BE SOLVED: To provide a novel compound that is obtained from the culture mixture of a microorganism in Exserohilum spp., has herbicidal, plant growth- regulating and antimicrobial actions and is useful as an active ingredient for herbicides, plant growth regulators and microbicides. ;SOLUTION: This is a compound represented by formula I [R1 and R2 bond to each other to represent the group of formula II or R1 represents the group of formula III and R2 is formyl], typically the compound of formula IV. The compound of formula IV has the following physical and chemical properties: appearance, yellow oil; molecular formula, C16H14O6; molecular weight: 302 or the like. The compound of formula I is obtained by culturing a filamentous fungus in Exserohilum spp. in a medium containing a water-soluble carbohydrate and isolating and purifying the objecting compound from the culture mixture through solvent extraction adsorption, desorption and the like. A plant growth regulators and the like are prepared by using, as an active ingredient, the compound of formula I, its salt, its hydrate and its solvate. Thus, an advantageous agrochemical can be provided that causes no environmental pollution.;COPYRIGHT: (C)2000,JPO