Some N-mono-2a-e and N,N'-bis(aminomethy1) derivatives 3a-b of tetrahydro-2-( 1H)-pynmidinone l a and tetrahydro-2( 1H)-pyrimidinethione l e are obtained by the Munnich reaction of l a or l e with formaldehyde and secondary amines. The compounds show a marked antiviral activity. Struktur und Eigenschaften cydicher Polymethylen-Harnstoffe, 3. Mitt.: Synthese und biologische Aktivitat von einigen Tetrahydro-2(1H)-Pyrimidinon-Mannich-Basen Es wurden N-mono-2a-e und N,N'-bis-aminomethyl-Derivate 3a-b von Tetrahydro-2-( 1H)-pyrimidinon la und Tetrahydro-2(1H)-pyrimidinthion l e durch Munnich Reaktion von l a oder l e mit 0365-6233/82/0M)&00509 $ 02.50/0 0 Verlag Chemie GmbH. Weinheim 1982
Aus den cyclischen Harnstoffen bzw. Thioharnstoffen (I) werden mit Formaldehyd (II) und den Aminen (III) die Mannich‐Basen (IV) und (V) hergestellt, die virostatische Wirkung besitzen.
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