FIELD: organic chemistry, pharmacology.
SUBSTANCE: invention relates to intermediate diketone of formula 
, wherein R1 is selected from -CHF2, -CF3, -CClF2CF3, -CF2CF2CF3; R1 is hydrogen or halogen; RQ is hydrogen, methyl or methoxy, provided that at least one from R1 and RP is not halogen when RQ is hydrogen.
EFFECT: intermediate for 3-halogene-1H-pyrasole synthesis having pharmacological activity, including hypoglycemic and anti-inflammatory activity.
7 cl, 2 ex
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