Synthesis of 1-Keto-Δ4a, 10a-dodecahydrophenanthrene, cis-9-Methyl-1-decalone, and other Cyclic Ketones

WE Bachmann, NL Wendler

Index: Bachmann; Wendler Journal of the American Chemical Society, 1946 , vol. 68, p. 2580,2583

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Citation Number: 10

Abstract

The product did not depress the melting point of a sample of diphenyl~ juccindene-10, mp 205.4-207.8", prepared essentially according to Brand and Muller4; the final reduction of 9, 12-dichlorodiphenyIsuccindadiene-9, 12 was conducted with zinc dust in refluxing acetic acid solution (37% yield of crystallized product; found: C, 94.02; H, 6.00; absorption spectrum in ethanol: max. 310 mp, log E 4. iX).