Department of Chemistry , The University of British Columbia , Vancouver , British Columbia V6T 1Z1 , Canada.
Inorg Chem. 2019 Mar 4;58(5):2925-2929. doi: 10.1021/acs.inorgchem.8b03514. Epub 2019 Feb 11.
The preparation of four-membered aminophosphine (PN) chelates from common metal precursors has largely evaded realization because of the ring strain associated with these species. We report a straightforward approach to the synthesis of such PN metallacycles using simple α-PN ligands analogous to the popular class of small-bite-angle diphosphinomethane ligands. It is demonstrated that bulky phosphine substituents are important to the formation of these chelates.
由于这些物种的环应变，从常见金属前体制备四元氨基膦（PN）螯合物在很大程度上难以实现。我们报告了一种使用类似于流行的小咬角二膦甲烷配体的简单α-PN 配体合成此类 PN 金属环的简便方法。结果表明，大体积膦取代基对于这些螯合物的形成很重要。
