FIELD: chemistry.
SUBSTANCE: invention relates to a method of obtaining a compound of formula CF3CHFCH2X, where X represents Cl or F, including a contact of 3,3,3-trichloropropene (1243zf) with a compound of formula AB, selected from Cl2, Br2, I2, ClF, ClBr and ICl, and HF in the presence of a zinc-chrome catalyst with formation of the compound of formula CF3CHFCH2X.
EFFECT: claimed method makes it possible to use easily available initial materials.
13 cl, 5 ex
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