Formation of 5-Hydroxy-3-methoxy-1,4-naphthoquinone and 8-Hydroxy-4-methoxy-1,2-naphthoquinone from Juglone

<table>The reaction sequence from juglone (<b>5</b>) leading to the isomeric 3-methoxy juglone (<b>6</b>) and 8-hydroxy-4-methoxy-1,2-naphthoquinone (<b>7</b>).</table>

International Scholarly Research Notices

sch2

Scheme 2

Scheme 2: Formation of 5-Hydroxy-3-methoxy-1,4-naphthoquinone and 8-Hydroxy-4-methoxy-1,2-naphthoquinone from Juglone 