- Bohn-Schmidt Reaction
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Bohn-Schmidt Reaction
R. Bohn, DE 46654 (1889); R. E. Schmidt, DE 60855 (1891).
Hydroxylation of anthraquinones containing at least one hydroxyl group by treatment with fuming sulfuric acid or sulfuric acid and boric acid in the presence of a catalyst such as mercury:
Reviews: M. Phillips, Chem. Rev. 6, 168 (1929); Fieser, Fieser, Organic Chemistry (New York, 1956) p 903. Studies and proposed mechanism: J. Winkler, W. Jenny, Helv. Chim. Acta 48, 119 (1965); B. R. Dhruva et al., Indian J. Chem. 14 (B), 622 (1976).
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