Heteroleptic Cu(I) and Ag(I) complexes of N-thiophosphorylated tris–thioureas and triphenylphosphane
作者:Maria G. Babashkina、Damir A. Safin、Yann Garcia
DOI:10.1016/j.poly.2011.11.028
日期:2012.2
The reaction between tris(2-aminoethyl)amine or diethylenetriamine and O,O'-diisopropyl-isothiocyantothiophosphate (iPrO)(2)P(S)NCS gives the tris-functional thioureas N(CH2CH2NHC(S)NHP(S)(OiPr)(2))(3) (H3L1) and N(C(S)NHP(S)(OiPr)(2))(CH2CH2NHC(S)NHP(S)(OiPr)(2))(2) (H3LII) with three C(S)NHP(S)(OiPr)(2) groups. The reaction of the potassium salts K3LI,II with a mixture of CuI or AgNO3 and PPh3 in aqueous EtOH/CH2Cl2 leads to the [M-3(PPh3)(6)L-I,L-II] complexes. According to the IR, H-1 and P-31H-1} NMR data, the deprotonated thioureas L-I,L-II are coordinated through the sulfur atoms of the thiocarbonyl and thiophosphoryl groups in [M-3(PPh3)(6)L-I,L-II], both in the solid state and in solution. The complexes [Cu-3(PPh3)(6)L-I,L-II] and [Ag-3(PPh3)(6)L-I,L-II] show emissions in the solid state at about 465 and 490 nm, respectively. (C) 2011 Elsevier Ltd. All rights reserved.