Return to Article Details THIENO[2,3-<i>d</i>]PYRIMIDIN-4-ONES. 1. CONDENSATION OF 2,3-DIMETHYL- AND 2,3-TRI-, 2,3-TETRA-, AND 2,3-PENTAMETHYLENE-7,8-DIHYDROPYRROLO[1,2-<i>a</i>]THIENO[2,3-<i>d</i>]PYRIMINIDIN-4(6H)-ONES WITH AROMATIC ALDEHYDES AND FURFURAL Download Download PDF