The regiospecific preparation of 1,4-dioxygenated anthraquinones: a new route to islandicin, digitopurpone, and madeirin
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 3,p. 108-110
- https://doi.org/10.1039/c39810000108
Abstract
A direct, versatile, one-step synthesis of anthraquinones which exhibits total regioselectivity (>99%) and involves the reaction of the anion of 4- or 7-methoxy-3-phenylsulphonylphthalides with variously substituted quinone monoacetals is reported.Keywords
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