FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing N-phenyl-substituted tricyclic nitrogen compounds labelled with tritium and having general formula: 
; 
. The method involve direct phenylation of the heterocyclic nitrogen atom in tricyclic nitrogen compounds (acridine, phenanthridine), uniformly deposited on a stabilising salt KBF4, in a closed system, using nucleogenic phenyl cations generated during beta-decay of tritium in double labelled benzene.
EFFECT: novel, easy to implement single-step method of obtaining novel tritium-labelled N-phenylacridine and phenanthridine derivatives with good output on radioactivity.
1 cl, 1 ex, 1 dwg
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