%0 Journal Article %T Diastereomeric composition of the reaction of the formation of hexahydro-5H-chromeno[4,3-d]pyrimidin-5-ones %A Filimonov, S.I. %A Makarova, E.S. %A Chirkova, Z.V. %A Kabanova, M.V. %K 2-thio-1,2,3,4,4a,10b-hexahydro-5H-chromeno[4,3-d]pyrimidine-ones, acid-catalyzed condensation, monitoring %J From Chemistry Towards Technology Step-By-Step %D 2022 %N 3 %P 7 %I Yaroslavl State Technical University