The reaction of 2-aryl-4-phenyl-5,6,7,8-tetrahydro-4

We have explored the reactions of 2‐(3‐oxo‐1‐aryl‐3‐phenylpropyl)cyclohexanone (1–3) with hydrogen selenide in situ in conditions of acid catalysis, and synthesized new 2‐aryl‐4‐phenyl‐5,6,7,8‐tetrahydro‐4H‐selenochromenes (4–6).

: We have explored the reactions of tetrahydro-4H-selenochromenes in the presence of phosphoric pentachloride, and synthesized new condensate aroylbenzoselenophenes. During the reactions tetrahydro-4Hselenochromenes with phosphoric pentachloride were undergone oxidative aromatization and nucleophilic substitution for a chlorine atom of one of the protons in the alicyclic fragment. Also the narrowing of the heterocyclic fragment was issued as in synthesized selenium-containing compounds earlier transformed to the corresponding condensate aroylbenzoselenophenes.

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Диренко Дмитрий Юрьевич, начальник научно-исследовательской испытательной лаборатории, Центральный научно-исследовательский испытательный институт Инженерных войск имени Д. М. Карбышева Минобороны России, Московская область, Красногорский район, пос. Нахабино,