作者:Sylvie L Renard、Terence P Kee
DOI:10.1016/s0022-328x(01)01460-7
日期:2002.2
range of chiral phosphorus(III) triflates has been prepared and their donor–acceptor behaviour towards the representative donor 4-phenylpyridine investigated. Correlations between 31P-NMR shifts, relative binding strengths (Kr) and the electronic nature of the phosphorus complex are observed. A scale of relative Lewis acidity (Ar) is proposed for this class of phosphorus compound towards donor molecules
制备了一系列手性磷(III)三氟甲磺酸酯,并研究了它们对代表性供体4-苯基吡啶的供体-受体行为。观察到31 P-NMR位移,相对结合强度(K r)与磷络合物的电子性质之间的相关性。对于这类磷化合物,以4-苯基吡啶为参比,对供体分子提出了相对路易斯酸度(A r)的标度。