Zur Reaktion des Dihydro-6-methyl-4-phenyl-2(1H)-pyrimidinthions mit Formaldehyd und Aminen

Zusammenfassung

Das Dihydro-6-methyl-4-phenyl-2(1H)-pyrimidinthion (1 a) reagiert mit Formaldehyd und Aminen zu 6-(2′-Dialkylaminoäthylen)tetrahydro-6-(2′-Dialkylaminoäthyliden)-tetrahydro-5-dialkylaminomethyl-2(1H)-pyrimidinthionen (2) sowie 6-Alkyloctahydro-8a-äthoxy- bzw.-hydroxypyrido[4,3-d]-pyrimidin-2(1H)-thionen (5).

Abstract

Dihydro-6-methyl-4-phenyl-2(1H)-pyrimidinthione (1 a) reacts with formaldehyde and amines to 6-(2′-dialkylaminoethyliden)-tetrahydro-resp. 6-(2′-dialkylaminoethyliden)-tetrahydro-5-dialkylaminomethyl-2(1H)-pyrimidinthiones (2) as well as 6-alkyloctahydro-8a-ethoxy- resp. hydroxypyrido-[4,3-d]-pyrimidine-2(1H)-thiones (5).