Beim Erhitzen wäßriger Lösungen der Phenylpropaigylmethallylammoniumsalze (I) in Gegenwart katalytischer KOH‐Mengen auf 90‐92°C lassen sich Cyclisierungsreaktionen nicht beobachten; es entstehen Gemische des umgelagerten Eliminierungsproduktes (II) mit den Umlagerungsprodukten (III).
Fused pyrrole derivatives R 0160Investigations in the Area of Amines and Ammonium Compounds. Part 237.
Synthesis of 2,2-Dialkyl-4-hydroxymethylbenzo[f]isoindolinium and 2,2-Dialkyl--4-hydroxymethylisoindolinium Salts. -Base-catalyzed cyclization of the ammonium salts (I) and (III) gives rise to benzoisoindolinium and isoindolinium salts (II) and (IV), resp., in good yields under mild reaction conditions. -(CHUKHADZHYAN, E. O.; GEVORKYAN. A. R.; CHUKHADZHYAN, E. O.; SHAKHATUNI, K. G.; KINOYAN, F. S.; PANOSYAN, G. A.; Chem. Heterocycl.
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