TY JOUR TI Synthesis of imides of 4,6-diphenyl-3,4-dihydro-2H-thiopyran-2,3-dicarboxylic acid KW 2H‑thiopyrans KW maleimides KW anhydrides KW anilines JO From Chemistry Towards Technology Step-By-Step AU Starostin, M.V. AU Malinina, A.V. AU Karpov, D.S. AU Ovchinnikov, K.L. AU Aldoshin, A.S. AU Kolobov, A.V. PY 2026 IS 7 PB Yaroslavl State Technical University