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- W2112324861 abstract "Aus dem Isochinolin-1-ylidenacetonitril 1 wurden mit Formaldehyd und Hydrazin, Acylhydrazinen oder Hydroxylamin das 3,3′-Bi(pyrimidoisochinolin) 5 bzw. die 3-Amino und 3-Hydroxypyrimido[6,1a]isochinolin-Derivate 6 und 8 dargestellt. 8 ließ sich in die an N-3 unsubstituierten Derivate 12, 14 und 15 überführen, die verschiedene Oxidationsgrade im Pyrimidinring aufweisen. Synthesis of Pyrimido[6,1-a]isoquinolines with Formaldehyde The isoquinolin-1-ylidenacetonitrile derivative 1 reacts with formaldehyde and hydrazine, acylhydrazines or hydroxylamine to give the 3,3′-bi(pyrimidoisoquinoline) 5 and the 3-amino-and 3-hydroxypyrimido[6,1-a]isoquinolines 6 and 8, respectively. 8 was transformed into 12, 14, and 15 which are unsubstituted at N-3 and have various oxidation levels in the pyrimidine moiety." @default.
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- W2112324861 date "1981-01-01" @default.
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- W2112324861 title "Herstellung von Pyrimido[6,1‐ <i>a</i> ]isochinolinen mit Formaldehyd" @default.
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- W2112324861 doi "https://doi.org/10.1002/cber.19811140107" @default.
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