1,4-Diaza-1,3-diene (DAD) complexes of early transition elements. Syntheses, structures and molecular dynamics of mono- and bis(η5-cyclopentadienyl)titanium-, zirconium- and hafnium(DAD) complexes. Crystal- and molecular structures of CpTi(DAD)CH2Ph, [CpTi(DAD)]2O, CpZr[(DAD)(N∩O)] and Cp2Hf(DAD)
作者:Joachim Scholz、Ghasan A Hadi、Karl-Heinz Thiele、Helmar Görls、Roman Weimann、Herbert Schumann、Joachim Sieler
DOI:10.1016/s0022-328x(01)00705-7
日期:2001.4
yields the monomeric titanium complexes CpTi(R1,R2-DAD)Cl (2, R1=C6H4-4-OMe, R2=H; 3, R1=C6H4-2-Me, R2=Me; 4, R1=C6H4-4-OMe, R2=Me; 5, R1=C6H4-4-Me, R2=Ph), and the chloro bridged dimeric zirconium complexes [CpZr(R1,R2-DAD)Cl]2 (6, R1=C6H4-4-OMe, R2=H; 7, R1=C6H4-4-OMe, R2=Me; 8, R1=C6H4-4-Me, R2=Ph). Both the half-sandwich complexes of DAD ligands bearing alkyl (3, 4 and 7) and aryl (5, 8) substituents
CpTiCl的治疗3和CpZrCl 3(THF)2在1,4-二氮杂1,3-二烯存在一个当量的镁(R 1 NCR 2 CR 2 NR 1(R 1,R 2 -老爸; R 1= C 6 H 4 -2-Me,C 6 H 4 -4-Me,C 6 H 4 -4-OMe,R 2= H,Me,Ph)产生单体钛配合物CpTi(R 1, R 2 -DAD)Cl(2,R 1 = C 6 H 4-4-OMe,R 2= H;3,R 1= C 6 H 4 -2-Me,R 2= Me;4,R 1= C 6 H 4 -4-OMe,R 2= Me;5,R 1= C 6 H 4 -4-Me,R 2= Ph),和氯桥联二聚锆配合物[CpZr(R 1,R 2 -DAD)Cl] 2(6,R 1= C 6 H 4 -4-OMe,R 2 = H;7,R1 = C 6 H 4 -4-OMe,R 2 = Me; 在图8中,R 1= C