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

<table>The C-ribosylation of (<i>R</i>)-prealnumycin (<b>1</b>) by <i>Streptomyces albus</i>.</table>

International Scholarly Research Notices

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