FIELD: chemistry.
SUBSTANCE: invention relates to the method for preparing a compound of the formula
wherein X1 and Y1 represent H or one of X1 and Y1 represents H , and the other is chlorine; by reacting the compound of the formula 
with the compound of the formula 
in the presence of a copper catalyst, a chiral phosphine ligand, a reducing agent, herewith the reaction is carried out in the presence of an organic solvent which is an alcohol. The invention also relates to novel compounds which are intermediates in the inventive method of producing.
EFFECT: improved method for preparing voriconazole and its analogues is proposed, that provides obtaining stereoisomer.
11 cl, 6 ex
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