Application of directed metallation in synthesis. Part 3: Studies in the synthesis of (±)-semivioxanthin and its analogues |
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Authors: | Sukanta KamilaChandrani Mukherjee Sasanka S MondalAsish De |
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Affiliation: | Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700-032, India |
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Abstract: | The synthesis of several analogues of (±)-semivioxanthin including five thiophene analogues, using directed metalation are reported. The strategy consisted of the synthesis of functionalized naphthalene or benzo[b]thiophene as building blocks followed by annelation of the pyrone. |
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Keywords: | semivioxanthin naphthopyrone benzothienopyrone directed metallation |
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