Synthesis and structural characterization of tridentate [C,N,S] thiosemicarbazone palladacycles. Crystal and molecular structures of [Pd{3-FC6H3C(Me)NNC(S)NHMe}]4, [Pd{4-FC6H3C(Me)NNC(S)NHEt}]4 and [(Pd{2-BrC6H3C(Me)NNC(S)NHPh})2(μ-Ph2P(CH2)2PPh2)]
作者:Javier Martínez、M. Teresa Pereira、Juan M. Ortigueira、Brais Bermúdez、José M. Antelo、Alberto Fernández、José M. Vila
DOI:10.1016/j.poly.2011.09.012
日期:2012.1
thiosemicarbazones 3-FC6H4C(Me)NN(H)C(S)NHME a, 4-FC6H4C(Me)NN(H)C(S)NHEt b, and 2-BrC6H4C(Me)NN(H)C(S)NHPh c, with potassium tetrachloropalladate(II) in ethanol, lithium tetrachloropalladate(II) in methanol or palladium(II) acetate in acetic acid gave the tetranuclear cyclometallated complexes [Pd3-FC6H3C(Me)NNC(S)NHMe}]41a, [Pd4-FC6H3C(Me)NNC-(S)NHEt}]41b, and [Pd2-BrC6H3C(Me)NNC(S)NHPh}]41c. Reaction of
硫半咔唑3-FC 6 H 4 C(Me)NN(H)C(S)NHME a,4-FC 6 H 4 C(Me)NN(H)C(S)NHEt b和2-BrC的反应6 H 4 C(Me)NN(H)C(S)NHPh c,与在乙醇中的四氯钯酸钾(II),在甲醇中的四氯钯酸锂(II)或在乙酸中的乙酸钯(II)一起得到四核环金属化配合物[Pd 3-FC 6 H 3 C(Me)NNC(S)NHMe}] 4 1a,[Pd 4-FC 6 H 3 C(Me)NNC-(S)NHEt}] 4 1b和[Pd 2 -溴化6 H3 C(Me)NNC(S)NHPh}] 4 1c。的反应1A - Ç与二膦博士2 P(CH 2)Ñ PPH 2 DPPM(Ñ = 1),DPPE(Ñ = 2),DPPP(Ñ = 3),DPPB(Ñ = 4)或pH 2 PCHCHPPh 2反式-dppe,以1:2的摩尔比,得到双核膦桥连络合物[(钯XC