Diastereoselective transannular [2+2] photocycloaddition of ascorbic acid derivatives |
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| Authors: | Sé bastien Redon |
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| Affiliation: | Université LYON I—UMR CNRS 5181, Laboratoire de Chimie Organique, Photochimie et Synthèse, Bat. Raulin/4-43, Bd du 11 novembre 1918, 69622 Villeurbanne cedex, France |
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| Abstract: | Ring-closing metathesis of bis-O,O-alkenyl ascorbic acid derivatives affords cyclic ethers in good yields which can be further converted by irradiation at 254 nm into new polyoxacyclic structures according to a diastereoselective transannular [2+2] photocycloaddition. |
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