AN INTRAMOLECULAR DIELS–ALDER REACTION IN THE SYNTHESIS OF N-AROYL-3A,6-EPOXYISOINDOLE-2-CARBOTHIOAMIDES СтатьяMertsalov Dmitriy F., Lovtsevich Lala V., Shchevnikov Dmitriy M., Dobrushina Yulya M., Sorokina Elena A., Grigoriev Mikhail Semenovich, Zaytsev Vladimir P.Chemistry of Heterocyclic Compounds. Том 60. 2024. С. 512-523