FIELD: chemistry.
SUBSTANCE: present invention relates to organic chemistry and specifically to a method of producing indolizino[7,6-b]indole derivatives of formulae Ia-f 
, where Ia: R=R1=R2=H; Ib: R-R2=H, R1=CH3; Ic: R=H, R1=CH3, R2=Cl; Id: R=Cl, R1=R2=H; Ie: R=CH3, R1=H, R2=Cl; If: R=OCH3, R1=H, R2=Cl, which involves reaction of 3-alkyl-5-tosyl-5H-pyrido[4,3-b]indole II and phenacyl bromide in a mixture of benzene and toluene.
EFFECT: novel heterocyclic backbone - indolizino[7,6-b]indole derivatives.
1 cl, 2 tbl, 2 ex
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