FIELD: biotechnology.
SUBSTANCE: invention relates to a method of producing 3-[(phenylsulfenyl) methyl] pentane-2.4-dione of formula (1)
.
The essence of the method is the interaction of the mixture of formaldehyde and thiophenol with 2.4-pentanedione involving the catalyst NiCl2⋅6H2O at the mole ratio of formaldehyde as follows: thiophenol: 2.4-pentanedione: NiCl2⋅6H2O=1:1:1:(0.03-0.07) in the mixture of solvents CHCl3-C2H5OH (1:1, vol.), at room temperature (~20°C) and atmospheric pressure for 6-8 h.
EFFECT: obtained compounds have a fungicidal activity to micromycetes of phytopathogenic fungi Bipolaris sorokiniana, Fusarium oxysporum lesion, Rhizoctonia solani.
2 cl, 2 tbl, 1 ex
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