- An expedient and efficient synthetic route to some naturally occurring polyfunctional naphthazarins
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A concise and versatile route to functionalised naphthazarins via 1,3,4,5,6,8-hexamethoxynaphthalene is described and is illustrated with the synthesis of three natural products, aureoquinone, boryquinone and 3-ethyl-2,7-dihydroxynaphthazarin.
- Chai, Christina L.L.,Elix, John A.,Moore, Felicity K.E.
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- First direct observation of tautomerism of monohydroxynaphthazarins by IR-spectroscopy
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Some substituted monohydroxylated naphthazarins (5,8-dihydroxy-l,4-naphthoquinones) were synthesized and studied by IR-spectroscopy in aprotic organic solvents at ambient temperature. Two narrow stretching mode bands in the high frequency range 3540-3410
- Glazunov, Valery P.,Tchizhova, Alla Ya.,Pokhilo, Nataly D.,Anufriev, Victor Ph.,Elyakov, George B.
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- Chemistry of naphthazarin derivatives 7. Determination of structures of substituted 2,6(7)-dihydroxynaphthazarins by UV and IR spectroscopy
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A set of substituted 2,6- and 2,7-dihydroxynaphthazarins were synthesized. The difference in the UV spectra of alkaline alcoholic solutions of 2,6- and 2,7-dihydroxynaphthazarins allows the reliable differentiation of the structures of these compounds. Th
- Glazunov,Tchizhova,Shuvalova,Anufriev
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- Concise formal total synthesis of hybocarpone and related naturally occurring naphthazarins
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A concise formal total synthesis of the cytotoxic bisnaphthazarin derivative hybocarpone has been completed through the development of routes to the synthetic precursor, 3-ethyl-2-hydroxy-5,7,8-trimethoxy-6-methyl-1,4- naphthoquinone. The oxidation of 3-e
- Chai, Christina L. L.,Elix, John A.,Moore, Felicity K. E.
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p. 992 - 1001
(2007/10/03)
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