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A series of lithium and aluminum complexes bearing [OC(But)CHP(Ph2)=NBut]− ligand were synthesized and characterized. Reaction of ButC(O)CH2Br with Ph2PNHBut afforded [Ph2P(NHBut)CH2C(O)But]+Br− (1). Treatment of 1 with excess of NaH in THF generated ligand precursor Ph2P(CH2C(O)But)=NBut (2). Reaction of 2 with AlR3 (R = Me, Et) gave N,O-chelate aluminum complexes [R2Al{OC(But)CHP(Ph2)=NBut}] (3,...
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