Synthesis, characterization and solid state structures of thiosemicarbazone palladacycles: Influence of hydrogen bonding in the molecular arrangement
作者:Javier Martínez、Luis A. Adrio、José M. Antelo、Juan M. Ortigueira、Ma Teresa Pereira、Margarita López-Torres、José M. Vila
DOI:10.1016/j.jorganchem.2006.02.030
日期:2006.6
cyclometallated complexes [(Pd4-FC6H3C(Me)NNC(S)NHR})2(μ-Ph2P(CH2)nPPh2)], (n = 2, 2a, 2b; 3, 4a, 4b; 4, 5a, 5b), [(Pd4-FC6H3C(Me)NNC(S)NHPh})2(μ-Ph2PCHCHPPh2)], (3a, 3b) and [(Pd2-ClC6H3C(Me)NNC(S)NHR})2(μ-Ph2P(CH2)nPPh2)], (n = 2, 2c, 2d; 3, 4c, 4d; 4, 5c, 5d), [(Pd2-ClC6H3C(Me)NNC(S)NHPh})2(μ-PPh2CHCHPPh2)], (3c, 3d). The X-ray crystal structure of the ligand b and the complexes 3c, 4a and 4d
硫代半脲酮4-FC 6 H 4 C(Me)NN(H)C(S)NHR(R = Me,a ; Ph,b)和2-ClC 6 H 4 C(Me)NN(H)的处理C(S)NHR(R = Ph,c)与甲醇中的四氯钯酸锂(II)或乙酸中的乙酸钯(II)生成四核环金属化配合物[Pd 4-FC 6 H 3 C(Me)NNC(S )NHR}] 4(1a,1b)和[Pd 2-ClC 6 H 3 C(Me)NNC(S)NHPh}} 4(1c)。这些四聚体与二膦dppe,t-dppe,dppp或dppb的摩尔比为1:2的反应产生了双核环金属化配合物[(Pd 4-FC 6 H 3 C(Me)NNC(S)NHR})2(μ-PH 2 P(CH 2)ñ PPH 2)],(ñ = 2,图2a,2b中; 3,图4a,4b中; 4,图5a,图5b),[(钯4-FC 6 H ^ 3 C(我)NNC(S)NHPh基})2(μ-PH