New stabilising groups for lateral lithiation of ortho-cresol derivatives and a new route to 2-substituted chromans |
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| Authors: | James A Wilkinson Eun-Ang Raiber Sylvie Ducki |
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| Institution: | Centre for Molecular Drug Design, Biosciences Research Institute, Cockcroft Building, University of Salford, Salford M5 4WT, UK |
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| Abstract: | 2-(2-Methoxyethoxy)-toluene and 2-(2-dimethylaminoethoxy)-toluene have been lithiated using sec-BuLi under a variety of conditions and the laterally lithiated species trapped with electrophiles, including but-1-ene oxide, leading to a new synthesis of 2-ethylchroman. |
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| Keywords: | Lateral lithiation Alkylation ortho-Cresol Chromans |
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