Polycyclic Azines with Hetero Atoms in 1 and 3 Position. Part 35. Synthesis of 2,3-Dihydroimidazo(1,2-c)- and 3,4-Dihydro-2H-pyrimido(1, 2-c)-Anellated Pyrido(3′,2′:4,5)thieno(2,3-e)pyrimidines via 4-(ω -Hydroxyalkylamino) Derivatives