The nuclear magnetic resonance spectrum
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Wolfgang Bremser; John D. Roberts; Emanuel Vogel
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Article
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1969
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Elsevier Science
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French
โ 217 KB
To corroborate the postulated aromaticity of [ ll]annulenes (2) we have analysed t'le pmr spectra of the recently synthesized 1,6;8,13\_propano-[ 14lannulene (3) (I) and its Z-nitro dc rivative (II).