Abstract
OXIDATION of carbazole with potassium permanganate in boiling acetone was reported in 1921 (ref. 1) to yield two crystalline products, (A) and (B), and an amorphous product. One of these crystalline products, (A), was later shown2 to be 9,9′-dicarbazyl, and the other, (B), which was thought1 to be a dicarbazyl on the basis of a cryoscopic molecular weight determination in benzene, was shown not to be identical with synthetic specimens of 1,1′-(ref. 3), 3,3′- (ref. 4) and 3,9′- (ref. 5) dicarbazyls. It was, however, proposed6 that (B) might be either 1,3′- or 1,9′-dicarbazyl.
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ROBINSON, B. Tricarbazyl. Nature 210, 520 (1966). https://doi.org/10.1038/210520a0
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DOI: https://doi.org/10.1038/210520a0
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