α,ω-Diphenylpolyenes and Related Compounds

  • L. Ƶechmeister


Representatives of this series, up to n = 8, have been synthesized by Kuhn and Winterstein long ago (269). In each set they obtained the same end product, even when ten different routes had been followed. Although the all-trans configuration had been proved by X-ray studies for the samples n = 3 and 4 [Hengstenberg and Kuhn (160)], the existence of cis forms was predicted by Kuhn and Winterstein (270) (p. 8). In 1939 Cook and Jones wrote (71):

“…the behaviour of diphenyl-hexatriene and -octatetraene on a chromatographic column after irradiation in benzene-petroleum ether solution…indicates the formation of labile (cis-) isomerides.”


Related Compound Main Band Fresh Solution Trans Double Bond Fundamental Band 
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Copyright information

© Springer-Verlag Vienna 1962

Authors and Affiliations

  • L. Ƶechmeister
    • 1
  1. 1.California Institute of TechnologyPasadenaUSA

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