%0 Journal Article %T Quantum-chemical study of the regioselectivity of the diels-alder heteroreaction of α,β-unsaturated thiocarbonyl compounds with unsymmetrical dienophiles %A Ovchinnikov, K.L. %A Starostin, M.V. %A Larionov, N.N. %K unsaturated thiocarbonyl compounds, Diels-Alder heteroreaction, thiopyrans, quantum-chemical modelling, density functional theory %J From Chemistry Towards Technology Step-By-Step %D 2021 %N 2 %P 4 %I Yaroslavl State Technical University