Synthesis and X-ray Crystal Structures of β-Ketoiminate Complexes

被引：5
|
作者：
Steiniger, Phillip [1 ,2 ]
Dittrich, Dennis [1 ,2 ]
Scheiper, Christoph [1 ,2 ]
John, Christoph [1 ,2 ]
Woelper, Christoph [1 ,2 ]
Schulz, Stephan [1 ,2 ]
机构：
[1] Univ Duisburg Essen, Fac Chem, D-45117 Essen, Germany
[2] Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen CENIDE, D-45117 Essen, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2018年 / 644卷 / 21期
关键词：
Aluminum; ZincTitanium; Titanium; beta-Ketoiminate; RING-OPENING POLYMERIZATION; ZINC-COMPLEXES; EPSILON-CAPROLACTONE; METAL-COMPLEXES; SCHIFF-BASES; ALUMINUM COMPLEXES; PHENOLATE LIGANDS; CYCLIC ESTERS; LACTIDE; MAGNESIUM;
D O I：
10.1002/zaac.201800321
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Heteroleptic zinc complexes containing side-arm donor-functionalized tridentate beta-ketoiminate ligands were obtained from metalation reactions of beta-ketoimines L1/2/3(Do1/2/3/4)H [L1 = {(OC(Me)C(H)C(Me)NCH(2)CH(2)Do)}, L2 = {(OC(Me)C(H)C(Me)NCH(2)CH(2)CH(2)Do)}, L3 = {(OC(OMe)C(H)C(Me)NCH(2)CH(2)Do)}; Do1 = NMe2, Do2 = NEt2; Do3 = Pyr, Do4 = OMe] with equimolar amounts of Zn[N(SiMe3)(2)](2) [L1(Do1)ZnN(SiMe3)(2) (1), L1(Do2)ZnN(SiMe3)(2) (2)] and ZnEt2 [L1(Do3)ZnEt (3), L2(Do3)ZnEt (4), L3(Do1)ZnEt (5), L3(Do4)ZnEt (6)]. Analogous reactions of AlMe3 and Cp*MMe3 with L1(Do1/2)H yielded homoleptic aluminum [L1(Do1)AlMe(2) (7), L1(Do2)AlMe(2) (8), L2(Do1)AlMe(2) (9)], titanium [L1(Do2)Ti(Me-2)Cp* (10)] and zirconium complexes [L1(Do2)Zr(Me-2)Cp* (11)]. In addition, 7 reacts with an ethereal HCl solution with methane elimination and formation of L1(Do1)Al(Cl)Me (12) and L1(Do1)AlCl(2) (13), whereas the reaction with one and two equivalents of 2,6-dimethylphenol yielded L1(Do1)Al(Me)O-2,6-Me2C6H3 (14) and L1(Do1)Al(O-2,6-Me2C6H3)(2) (15). The complexes were characterized by elemental analysis, H-1, C-13 NMR, and IR spectroscopy and single-crystal X-ray analysis (2, 4, 7, 10, 12-14).
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收藏
页码：1367 / 1375
页数：9
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