Preparation of [bis(amido)-phosphine] and [amido-phosphine sulfide or oxide] hafnium and zirconium complexes for olefin polymerization
作者:Chun Sun Lee、Ji Hae Park、Eun Yeong Hwang、Geun Ho Park、Min Jeong Go、Junseong Lee、Bun Yeoul Lee
DOI:10.1016/j.jorganchem.2014.09.009
日期:2014.12
PhP(OPh)2 afforded the bis(amido)-phosphine ligands (2-Me-C9H8NH-8-yl)2PPh (8) and (N-R-C6H4NH-2-yl)2PPh (9, R = Me; 10, R = Et). Using these ligands, [amido-phosphine oxide]Hf(CH2Ph)3, [amido-phosphine sulfide]Hf(CH2Ph)3, [bis(amido)-phosphine]MX2 (M = Hf, Zr; X = CH2Ph, Cl, Me), and [amido-phosphine-amine]MCl3 complexes were prepared. The molecular structures of [amido-phosphine sulfide]Hf(CH2Ph)3 (13)
新的基于膦的双齿配体2-Me-8-Ph 2 P(X)C 9 H 8 NH(3,X = O; 4,X = S)和N -R-2-Ph 2 P(X)通过1,2,3,4的邻位锂化反应制备C 6 H 4 NH(5,R = Et,X = O; 6,R = Me,X = S; 7,R = Et,X = S)-四氢醌醛(2-Me-C 9 H 9 NH)和苯胺衍生物(N -RC 6 H 5 NH)。所述的反应邻与0.5当量的PHP锂化的化合物(OPH)2得到双(酰胺基)-膦配体(2-Me-C 9 H 8 NH-8-yl)2 PPh(8)和(N -RC 6 H 4 NH-2-yl)2 PPh(9,R = Me; 10,R = Et)。使用这些配体,[酰氨基膦氧化物] Hf(CH 2 Ph)3,[酰氨基膦硫醚] Hf(CH 2 Ph)3,[双(酰氨基)膦] MX 2(M = Hf,Zr; X制备CH