Synthesis of virgatol and virgatenol, two naturally occurring coumarins from Pterocaulon virgatum (L.) DC, and 7-(2, 3-epoxy-3-methylbutoxy)-6-methoxycoumarin, …
J Demyttenaere, S Vervisch, S Debenedetti…
Index: Demyttenaere, Jan; Vervisch, Stijn; Debenedetti, Silvia; Coussio, Jorge; Maes, Dominick; De Kimpe, Norbert Synthesis, 2004 , # 11 p. 1844 - 1848
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Citation Number: 8
Abstract
Abstract The synthesis of a number of naturally occurring coumarins from Pterocaulon virgatum (L.) and Conyza obscura DC is described for the first time. It concerns the synthesis of 7-(2-hydroxy-3-methoxy-3-methylbutoxy)-6-methoxycoumarin (virgatol, 1), 7-(2-hydroxy-3- methyl-3-butenyloxy)-6-methoxycoumarin (virgatenol, 2) and 7-(2, 3-epoxy-3-methylbutoxy)- 6-methoxycoumarin (3). In addition, a straightforward synthesis of scopoletin (4)(7-hydroxy ...
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