Ru3(CO)9(PPh3)3: a convenient starting material for the synthesis of binuclear ruthenium(I) complexes. Crystal structure of Ru2(μ-L2)(CO)4(PPh3)2 (H2L2 = 1,8-diaminonaphthalene)
作者:Pedro L. Andreu、Javier A. Cabeza、Victor Riera、Francis Robert、Yves Jeannin
DOI:10.1016/0022-328x(89)87107-4
日期:1989.8
The thermal reaction of Ru3(CO)9(PPh3)3 with precursors (HL) of binucleating anionic ligands affords the ruthenium(I) dimers Ru2(μ-L)2(CO)4(PPh3)2 (3), t-butylmercaptane (4); H2L2 = 1,8-diaminonaphthalenene (5)]. The crystal structure of complex 5 shows that each nitrogen of the 1,8-diiminonaphthalene ligand bridges the two ruthenium atoms, leading to a vary distorted, octahedral arrangement of the
Ru 3(CO)9(PPh 3)3与双核阴离子配体的前体(HL)发生热反应,得到钌(I)二聚体Ru 2(μ-L)2(CO)4(PPh 3)2(3),叔丁基硫醇(4);H 2 L 2= 1,8-二氨基萘(5)]。配合物5的晶体结构表明,1,8-二亚氨基萘配体的每个氮都桥接两个钌原子,从而导致配体的八面体形变变化,并且Ru andRu距离非常短,为2.5788(3)Å。
Synthesis of Thiolate-Bridged Ruthenium(I) Complexes. The Crystal Structure of [Ru2(.mu.-S2(CH2)3)(CO)4(PPh3)2]
作者:Josep Soler、Josep Ros、M. Rosa Carrasco、Aurora Ruiz、Angel Alvarez-Larena、Joan F. Piniella
DOI:10.1021/ic00128a038
日期:1995.11
A new general method of preparation of dinuclear thiolate-bridged ruthenium(I) complexes is reported. Compounds of the type RU(2)(CO)(4)(mu(2)-S-2(CH2)(n))(PPh(3))(2) (n = 2 and 3) (I) and Ru-2(CO)(4)(mu-SR()2)(PPh(3))(2) (II) were formed by reacting RU(2)(CO)(4)(mu-O2CH)(2)(PPh(3))(2) with an excess of dithiol or thiol in good yields, Different structural isomers of Ru-2(CO)(4)(mu-SR)(2)(PPh(3))(2) (II) thiolate complexes were found which were separated by chromatography on a silica column. The X-ray structure of the compound RU(2)(CO)(4)(mu-S-2(CH2)(3))(PPh(3))(2) shows that the dithiolate ligand bridges symmetrically two Ru(CO)(2)(PPh(3))(2) fragments. The short Ru-Ru distance agrees with a metal-metal bond and the PPh(3) ligands are nearly trans to the Ru-Ru bond.