作者:Ernest Essoun、Ruiyao Wang、Manuel A.S. Aquino
DOI:10.1016/j.ica.2016.02.021
日期:2017.1
-[Ru(dpppy- P , N ) 3 ](PF 6 ) 2 ( III ) and mer -[Ru(dppea- P , N ) 3 ](PF 6 ) 2 ( VI ), respectively. Disassembly reactions with aromatic aminophosphines; 2-(diphenylphosphino)methylpyridine (dppmpy) and 2-(diphenylphosphino)ethylpyridine (dppepy), led to heteroleptic tris-chelated complexes cis , cis , trans -[Ru(dppmpy- P , N ) 2 (η 2 -O 2 CCH 3 )](PF 6 )·MeOH ( IV ) and cis , cis , trans -[Ru(dppepy-
摘要平均价的四乙酸二钌(II,III),[Ru 2(μ-O2 CCH 3)4(H 2 O)2](PF 6),与各种双齿PN供体配体反应。这些反应导致桥接的羧酸酯基团的部分置换和Ru-Ru键的伴随裂解,产生了新的络合物。与氨基膦的分解反应;二苯基-2-吡啶基膦(dpppy)和2-(二苯基膦基)乙胺(dppea)产生了均螯合的三螯合物种fac-[Ru(dpppy- P,N)3](PF 6)2(III)和mer- [Ru(dppea-P,N)3](PF 6)2(VI)。与芳族氨基膦的分解反应;2-(二苯基膦基)甲基吡啶(dppmpy)和2-(二苯基膦基)乙基吡啶(dppepy)导致杂配的三螯合配合物顺式,顺式,反式-[Ru(dppmpy- P,配合物(III)具有最高的Epa,因为它包含最强的π受体基团组合。发现杂化配合物的E pa值的顺序为:dppbba(CH N)> dppmpy,dppepy(py)>