374. Resin acids. Part I. Synthesis of phenanthrene hydrocarbons derived from d-pimaric acid, and a new route to phenanthrene

JC Bardhan, SC Sengupta

Index: Bardhan; Sengupta Journal of the Chemical Society, 1932 , p. 2520,2524

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Citation Number: 9

Abstract

IN a series of investigations on the chemistry of resin acids, Ruzicka and his collaborators (Helv. Chim. Actn, 1922, 5, 585; 1923, 6, 677, 1082; 1924, 7, 470: 875), using the Vesterberg- Diels dehydrogenation technique (Bey., 2903, 36, 4200; Annalen, 1927, 459, l), isolated