Herstellung konjugierter Polyene mit Anthryl- und N-Methylpyridinium- Endgruppen

Franz Effenberger; Claus-Peter Niesert

doi:10.1055/s-1992-26322

Synthesis 1992; 1992(11): 1137-1144
DOI: 10.1055/s-1992-26322

paper

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Herstellung konjugierter Polyene mit Anthryl- und N-Methylpyridinium- Endgruppen

Franz Effenberger^* , Claus-Peter Niesert

^*Institut für Organische Chemie der Universität Stuttgart, Pfaffenwaldring 55, D-7000 Stuttgart 80, Germany

Abstract

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Preparation of Conjugated Polyenes with Anthryl and N-Methylpyridinium Terminal Groups The synthesis of terminally donor-acceptor substituted polyenes from the respective aldehydes via Horner reactions is described. As donor group the 9-anthryl and as acceptor moiety the 4-(N-methyl)pyridinium residue were chosen. A bicyclo[2.2.2]octane unit was incorporated into the chain to interrupt the conjugation. The separation and characterization of the mixtures of Z/E- isomers obtained in the syntheses was possible.

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