Abstract
THE formulation of Irene as 1: 1: 2: 6–tetra–methyltetralin1 has recently been established synthetically by Bogert and Apfelbaum2. On the basis of this formulation of irene and the production of ββγ–trimethyl pimelic acid by ozonization of irone, structural formulæ have been postulated for this ketone by Ruzicka and his co–workers3. Two of the postulated structures contain the chromophoric system C = C – C = C – C = O which should therefore give rise to a characteristic absorption spectrum.
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References
Ruzicka, Seidel and Schinz, Helv. chim. Acta., 16, 1143 (1933).
Bogert and Apfelbaum, J. Amer. chem. Soc., 60, 930 (1938).
Annual Reports, 281 (1938); cf. Helv. chim. Acta, 23, 935; 959 (1940).
Woodward, J. Amer. Chem. Soc., 63, 1123 (1941).
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GILLAM, A., WEST, T. Distribution of the Double Linkings in Irone. Nature 148, 114 (1941). https://doi.org/10.1038/148114a0
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DOI: https://doi.org/10.1038/148114a0
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