The Synthesis of 1', 9-Dimethyl-1, 2-benzanthracene

MS Newman, WC Sagar…

Index: Newman,M.S. et al. Journal of the American Chemical Society, 1960 , vol. 82, p. 2376 - 2379

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Abstract

The nmr spectrum of the trans isomer (72 mg. per 0.25 nil. of carbon tetrachloride) showed the hydrogen alpha to bromine at 2.05 to 2.36 ppm from water, the methyl at 3.56 ppm, and the remaining ring protons at 3.78 to 4.10 ppm The nmr spectrum of the cis isomer (33 mg. per 0.2 ml. of carbon tetrachloride) contained the same signals at 1.5 to 1.97 ppm, 3.5 ppm, and 3.62 to 4.39 ppm, respectively. Calcd. for C4H7Br: C, 35.59; H, 5.22; Br, 59.20. Found for trans isomer: C, ...