Abstract
A procedure is described for the catalytic aromatization of the ethylene adduct of conjugated isomers of methyl octadecadieonate. When the C20 cyclohexene fatty methyl esters were heated at 290–300 C with palladium and 1-octadecene as hydrogen acceptor, C20 aromatic cyclic esters were obtained in 90–95% yield.
References
Teeter, H.M., E.W. Bell, and M.J. Danzig, J. Org. Chem. 23:1156 (1958).
Friedrich, J.P., E.W. Bell, and L.E. Gast, Paper presented at the AOCS 54th Annual Spring Meeting, Atlanta, Ga., 1963.
Eisenhauer, R.A., R.E. Beal, L.T. Black, and J.P. Friedrich, JAOCS 43:515 (1966).
Friedrich, J.P., E.W. Bell, and R.E. Beal, Ibid. 39:420 (1962).
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Bell, E.W. Ethylene adduct of conjugated octadecadienoic acids: III. Aromatization of C20 cyclohexene methyl esters. J Am Oil Chem Soc 51, 284–285 (1974). https://doi.org/10.1007/BF02642638
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DOI: https://doi.org/10.1007/BF02642638