Syntheses of naphtho[2,3-c]pyran-5,10-quinones using ceric ammonium nitrate
Abstract
Two 2-(alk-1-enyl)-3-(1-hydroxyalkyl)-1,4-dimethoxynaphthalenes are oxidised with silver(II) oxide to the corresponding naphthoquinones, while oxidation with cerium(IV) ammonium nitrate affords derivatives of the title compounds.
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