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O-silylated enolate phenylthialkylation: A synthesis of α,β-unsaturated 5- and 6-membered lactones. |
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| Authors: | Hassan A. Khan Ian Paterson |
| Affiliation: | Department of Chemistry, University College London, 20 Gordon Street, London WC1H OAJ, England. |
| Abstract: | ZnBr2-catalysed phenylthioalkylation of ketene bis(trimethylsilyl)acetals, obtained from carboxylic acids, with appropriate α-chlorosulphides can be used to prepare γ- and δ- lactones. |
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