Annelated furans. V. Selective Wittig synthesis of euparin and dehydrotremetone
- 1 January 1971
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 24 (1) , 93-97
- https://doi.org/10.1071/ch9710093
Abstract
Three-step syntheses of euparin (5-acetyl-6-hydroxy-2- isopropenylbenzofuran) and dehydrotremetone (5-acetyl-2- isopropenylbenzofuran) are described. The key step involves the selective attack of methylenetriphenylphosphorane on the appropriate 2,5-diacetylbenzofurans.Keywords
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