Stereochemical control of cis- and trans-TiCl2 groups in six-coordinate complexes [(L)TiCl2] (L2- = N2O2-donor Schiff base) and reactions with trimethylaluminium to form cationic aluminium species

被引:80
作者
Corden, JP [1 ]
Errington, W [1 ]
Moore, P [1 ]
Wallbridge, MGH [1 ]
机构
[1] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England
关键词
D O I
10.1039/a808372j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The first example of a cis-configuration of the TiCl2 group in a six-coordinate titanium complex [(L)TiCl2], involving a tetradentate N2O2-donor Schiff base ligand (L2-), is reported, and reactions of such complexes with trimethyl aluminium have been shown to generate cationic aluminium species.
引用
收藏
页码:323 / 324
页数:2
相关论文
共 17 条
[1]   Cationic Group 4 metallocene complexes and their role in polymerisation catalysis: The chemistry of well defined Ziegler catalysts [J].
Bochmann, M .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1996, (03) :255-270
[2]   STEREOSPECIFIC OLEFIN POLYMERIZATION WITH CHIRAL METALLOCENE CATALYSTS [J].
BRINTZINGER, HH ;
FISCHER, D ;
MULHAUPT, R ;
RIEGER, B ;
WAYMOUTH, RM .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1995, 34 (11) :1143-1170
[3]  
COLES MP, 1997, J AM CHEM SOC, V119, P8185
[4]   CIS-DICHLORO-DERIVATIVES AND TRANS-DICHLORO-DERIVATIVES OF 6-CO-ORDINATED AND 7-CO-ORDINATE ZIRCONIUM AND HAFNIUM BONDED TO QUADRIDENTATE SCHIFF-BASE LIGANDS - CRYSTAL-STRUCTURES OF [ZR(ACEN)CL2(THF)], [M(SALPHEN)CL2(THF)].0.5THF, [M(ACEN)CL2], (M = ZR OR HF), AND [ZR(MSAL)CL2] [ACEN = N,N'-ETHYLENEBIS(ACETYLACETONEIMINATE), SALPHEN = N,N'-ORTHO-PHENYLENEBIS(SALICYLIDENEIMINATE), MSAL = N-METHYLSALICYLIDENEIMINATE, AND THF = TETRAHYDROFURAN] [J].
CORAZZA, F ;
SOLARI, E ;
FLORIANI, C ;
CHIESIVILLA, A ;
GUASTINI, C .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1990, (04) :1335-1344
[5]  
CORDEN JP, UNPUB
[6]   FACTORS AFFECTING AL-C BOND REACTIVITY OF TETRADENTATE SCHIFF-BASE ORGANOALUMINUM COMPLEXES [J].
DZUGAN, SJ ;
GOEDKEN, VL .
INORGANIC CHEMISTRY, 1986, 25 (16) :2858-2864
[7]   NONPLANAR COORDINATION OF THE SCHIFF-BASE DIANION N.N'-2.2-DIMETHYLTRIMETHYLENEBIS[SALICYLIDENEIMINATE(2-)] TO VANADIUM [J].
FAIRHURST, SA ;
HUGHES, DL ;
KLEINKES, U ;
LEIGH, GJ ;
SANDERS, JR ;
WEISNER, J .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1995, (03) :321-326
[8]   A TRANS-DIMETHYL DERIVATIVE OF OCTAHEDRAL TI(IV) - ALKYLATION AND ARYLATION OF TI(IV)-SCHIFF BASE COMPLEXES [J].
FLORIANI, C ;
SOLARI, E ;
CORAZZA, F ;
CHIESIVILLA, A ;
GUASTINI, C .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1989, 28 (01) :64-66
[9]  
GURAM AS, 1995, COMPREHENSIVE ORGANO, V4, P589
[10]   Formation of titanium-aluminium Schiff base complexes: X-ray structure of [Ti(mu-Cl)(AlMe(2)) (mu-Cl)(AlMe(2)X)(salen)] (X=Me or Cl) [J].
Kelly, DG ;
Toner, AJ ;
Walker, NM ;
Coles, SJ ;
Hursthouse, MB .
POLYHEDRON, 1996, 15 (23) :4307-4310