The regiospecific lithiation of aromatic acetals |
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| Authors: | HP Plaumann BA Keay R Rodrigo |
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| Institution: | Guelph-Waterloo Centre for Graduate Work in Chemistry Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada |
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| Abstract: | The dimethylacetal of benzaldehyde and some 3, 3,4 and 3,4,5 oxygenated derivatives thereof are regiospecifically deprotonated at the 2-position by alkyl lithiums. The resulting aryl lithiums provide various 2-substituted benzaldehydes in moderate to excellent yields. |
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