• Spectroscopic properties of molecules related to hindered isomers of retinal

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/088/04/0239-0247

    • Keywords

       

      1H; 13C NMR study; DNMR of ionyl derivatives

    • Abstract

       

      Proton and12C NMR study of molecules related to retinal has been carried out. The characteristic differences in spectral behaviour among 7-trans and 7-cis isomers have been established which would be useful in determining the structure of new isomers and identifying components in a mixture. Through coupling constant measurements and DNMR study it is clearly established that 7-cis isomers of β-ionyl derivatives and in turn 7-cis isomers of retinyl derivatives prefer a non-planar arrangement and this non-planarity brings about resonance destabilisation.

    • Author Affiliations

       

      V Ramamurthy1 R S H Liu2

      1. Department of Organic Chemistry, Indian Institute of Science, Bangalore - 560012
      2. Department of Chemistry, University of Hawaii, Honolulu, USA
    • Dates

       
  • Journal of Chemical Sciences | News

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