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A vicarious aromatic substitution approach to aklavinone from chrysazin

✍ Scribed by Raymond A. Murphy Jr.; Michael P. Cava

Publisher: Elsevier Science
Year: 1984
Tongue: French
Weight: 175 KB
Volume: 25
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)80031-9

No coin nor oath required. For personal study only.

✦ Synopsis

The cheap, available dye-intermediate 1,8_dihydroxyanthraquinone

(2) is converted efficiently to a useful aklavinone precursor (3). A Mitsunobu alkylation-Claisen rearrangement sequence and an unprecedented vicarious aromatic substitution on an anthraquinone are employed as key steps.

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