FIELD: organic chemistry. SUBSTANCE: compound of formula (I) where R1 - hydrogen, R2 - hydrogen or hydroxy-group, or R1 and R2 together form the bond, R3 - hydrogen or benzyl, R4 - hydrogen or trifluoromethyl radical, Z = 0-2. Reagent 1: compound of formula (II) where R3 and Z - as indicated above, R5 - lower alkyl. Reagent 2: compound of formula (III) where R4 - as indicated above, Hal - halide. Synthesized compounds are inhibitors of aromatase. EFFECT: improved method of synthesis. 2 tbl
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