The application of vinylogous iminium salt derivatives to a regiocontrolled and efficient relay synthesis of Lukianol A and related marine natural products
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作者:
Gupton, JT
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Univ Richmond, Dept Chem, Richmond, VA 23173 USAUniv Richmond, Dept Chem, Richmond, VA 23173 USA
Gupton, JT
[1
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Krumpe, KE
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机构:Univ Richmond, Dept Chem, Richmond, VA 23173 USA
Krumpe, KE
Burnham, BS
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机构:Univ Richmond, Dept Chem, Richmond, VA 23173 USA
Burnham, BS
Webb, TM
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机构:Univ Richmond, Dept Chem, Richmond, VA 23173 USA
Webb, TM
Shuford, JS
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机构:Univ Richmond, Dept Chem, Richmond, VA 23173 USA
Shuford, JS
Sikorski, JA
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机构:Univ Richmond, Dept Chem, Richmond, VA 23173 USA
Sikorski, JA
机构:
[1] Univ Richmond, Dept Chem, Richmond, VA 23173 USA
[2] Univ N Carolina, Dept Chem, Asheville, NC 28804 USA
[3] GD Searle & Co, Res & Dev, St Louis, MO 63198 USA
Numerous novel pyrrole containing marine natural products have been shown to possess interesting biological properties. These compounds have been the synthetic targets of several research groups and we have previously reported synthetic methods which utilize vinylogous iminium salt derivatives as building blocks for analogous pyrrole systems. We now report a novel and regiocontrolled synthesis of a known pyrrole synthetic precursor to the compounds Lukianol A and Lammelarin O dimethyl ether based on this synthetic methodology. (C) 1999 Elsevier Science Ltd. All rights reserved.