K. Aghoramurthy, T. R. Seshadri, G. B. Venkatasubramanian
1957
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Journal
Tetrahedron
Abstract
Methyl 5-hydroxyhaematommate (XIX) and methyl 5-hydroxy-β-orcinolcarboxylate (XII) are conveniently made by the application of paranuclear oxidation using methyl haematommate and methy β-orcinol carboxylate respectively. These undergo preferential acylation of the hydroxyl in the meta (5) position and by employing this property, syntheses of dimethyl thamnolate (XVIII) and dimethyl hypothamnolate (VII) have been accomplished.