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- W1981860115 abstract "Es wird festgestellt, daβ eine frei bewegliche, alkylierte oder acylierte Aminoäthyl-Seitenkette in 4a-Position des Carbazol-Gerüsts die Dimerisierung von 1-Chlormethylen-carbazoleninen (z. B. 9) zu Substanzen mit dem Ringsystem des 2.6-Dioxa-4.8-diaza-adamantans (1) bzw. dem Chromophor des C-Curarins-I (2) nicht stört. Die neuen, dimeren Verbindungen 10 und 11, welche konstitutionell eng mit den toxischen dimeren Calebassencurare-Alkaloiden verwandt sind, werden zugänglich gemacht. Das Dimere 11a wandelt sich in saurer Lösung in eine Substanz um, die ein neues chromophores System mit Indol-Gerüst enthält. Syntheses in the Indole and Indole Alkaloid Series, X1). Further Investigations on the Synthesis of Dimeric Compounds Containing the Ring System of 2,6-Dioxa-4,8-diaza-adamantane or the Chromophore of C-Curarine-I It has been found that an alkylated or acylated aminoethyl side chain located at position 4a of a carbazole skeleton does not prevent or disturb the dimerisation of 1-chloro-methylenecarbazolenines (i. e. 9) to substances containing the system of a 2,6-dioxa-4,8-diaza-adamantane (1) or the chromophore of C-curarine-I (2). The new dimeric compounds 10 and 11, which are closely related to the toxic dimeric calabash curare alkaloids, are prepared. The dimer 11a is converted in acidic solution to a compound which has a new chromophoric system with the skeleton of indole." @default.
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- W1981860115 title "Synthesen in der Reihe der Indole und Indolalkaloide, X. Weitere Untersuchungen zur Synthese dimerer Verbindungen mit dem Ringsystem des 2.6-Dioxa-4.8-diaza-adamantans und dem Chromophor des C-Curarins-I" @default.
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- W1981860115 doi "https://doi.org/10.1002/jlac.19707360104" @default.
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