Abstract
IN a previous publication1 it was stated that, contrary to Schaarschmidt and Georgeaeopol2, the ring closure of o-±-naphthylbenzoic acid gave a mixture of mesobenzanthrone and 3:4-benzfluorenone.
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References
Baddar and Warren, J. Chem. Soc. 401 (1938).
Schaarschmidt and Georgeacopol, Ber., 51, 1082 (1918).
Grieve and Hey, J. Chem. Soc., 108 (1938).
Cf. Heilbron, Hey and Wilkinson, J. Chem. Soc., 699 (1938).
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BADDAR, F. Bensanthrones. Nature 145, 822 (1940). https://doi.org/10.1038/145822a0
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DOI: https://doi.org/10.1038/145822a0
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