Direct conversion of β,γ-unsaturated esters into lactones induced by TMS-I |
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| Authors: | Olivier Piva |
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| Affiliation: | Laboratoire des Réarrangements Thermiques et Photochimiques Associé au CNRS - UFR Sciences Université de Reims - Champagne- Ardenne - BP 347 - 51062 Reims - France. |
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| Abstract: | β,γ-unsaturated esters readily prepared by photodeconjugation are converted in one step into butanolides by treatment with TMS-I. The reaction has been extended to the access to -alkylidene lactones. |
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