Unusual Reactions of NacNacAl with Urea and Phosphine Oxides
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https://figshare.com/articles/dataset/Unusual_Reactions_of_NacNacAl_with_Urea_and_Phosphine_Oxides/4960547
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The reaction of cyclic urea 1,3-dimethyl-2-imidazolidinone with the aluminum(I) compound NacNacAl (1) gives an unexpected adduct of urea with the isomerized aluminum(III) hydride NacNac′AlH(OSIMe) (3). A related reaction of 1 with phosphine oxides results in cleavage of the PO bond and formation of hydroxyl derivatives NacNac′Al(OH)(OPR3) [R = Ph (5) and Et (6)]. Density functional theory calculations revealed that these reactions proceed via a bimolecular mechanism in which either the basic aluminum(I) center or the transient AlO species deprotonate the methyl group of the NacNac ligand.
创建时间：
2017-05-02
