FIELD: chemistry.
SUBSTANCE: present invention relates to method of producing hydrochloride salt (HCl) of compound of formula (I), wherein Y1 and Y2 independently denote F or Cl, preferably F, wherein said compound of formula (I) contains a cis-isomer and trans-isomer, which involves (1) using compound of formula (I), contained in first suitable solvent; and (2) treating compound of formula (I) contained in first suitable solvent, with help of HCl, contained in second suitable solvent to obtain HCl salt of compound of formula (I).
EFFECT: invention also relates to crystalline hydrochloride salt (HCl) containing cis-isomer (II) and trans-isomer (III), use of said salt for preparing fungicide and to use of method for cleaning of mixture of diastereomers cis-isomer (II) and trans-isomer (III).
32 cl, 1 dwg, 6 ex
(I)
(II)
(III)
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Authors
Dates
2016-06-10—Published
2011-05-18—Filed