6-Me3C6H2; Cy = cyclo-C6H11). Complexes 1 and 2 were also made by deprotonation of the cations [Pt(dppe)(Me)(PH2Ar)][BF4] (Ar = Mes* (13); Ar = Mes (14)). For comparison to 1, the arylthiolate and aryloxide complexes Pt(dppe)(Me)(EMes*) (E = S (11); E = O (12)) were also prepared from 10. NMR studies of the proton-transfer equilibria between Pt(dppe)(Me)(X), Pt(dppe)(Me)(Y), and the acids HY and HX
一系列末端Pt(II)
磷酸酯络合物Pt(dppe)(Me)(PRR')(R = H; R'= Mes *(1),R'= Mes(2),R'= Ph(3) ,R'= Cy(4); R = R'= Mes(5); R = R'= Ph(6); R = R'= Cy(7); R = R'= Et(8); R通过将质子从适当的膦转移到Pt(dppe)(Me)(OMe)(10)(dppe = Ph 2 PCH 2 CH 2)的
甲醇配体中,制备了Ph = R,R'= i-Bu(9))。PPh 2 ; Mes * = 2,4,6-(t-Bu)3 C 6 H 2 ; Mes = 2,4,6-Me3 C 6 H 2;Cy =环-C 6 H 11)。还通过阳离子[Pt(dppe)(Me)(PH 2 Ar)] [BF 4 ]的去质子化反应制备了配合物1和2(Ar = Mes *(13); Ar = Mes(14