Methyl phenylacetate enolate generated w
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Jean-Sébastien Fruchart; Hélène Gras-Masse; Oleg Melnyk
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Article
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2001
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Elsevier Science
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French
⚖ 127 KB
NMR studies revealed that methyl phenylacetate enolate generated with the P4-tBu phosphazene base was 'naked' or tightly associated with P4-tBuH + cation depending on very small variations in solvent composition. Both forms reacted more rapidly than the corresponding lithium enolate in a model alkyl