ChemInform Abstract: Selective Halogen-L
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M. LARSEN; M. JOERGENSEN
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Article
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2010
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John Wiley and Sons
⚖ 31 KB
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Selective Halogen-Lithium Exchange Reaction of Bromine-Substituted 25, 26,27,28-Tetrapropoxycalix(4)arene (Ia). -The selective bromine-lithium exchange of (Ia) with either BuLi or tBuLi in THF followed by quenching of the lithiated derivatives with MeOH, D2O, Me2S2, B(OMe)3, DMF, or CO2 as electrop