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Showing 1 to 2 of 2 for “"ansamycin antibiotics"”.
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The syntheses of some naturally derived naphthoquinones
The synthesis of the naphthalene core of the ansamycin antibiotics, 8-acetyl-3-acetylamino-5,7-dihydroxy-1,4-naphthoquinone from benzoquinone by means of simple reactions including, Diels-Alder adduct formation, mild acetylation, oxime formation and Beckmann rearrangement in five steps with an …