Magull, Jörg

[["dc.bibliographiccitation.firstpage","4046"],["dc.bibliographiccitation.issue","20"],["dc.bibliographiccitation.journal","European Journal of Inorganic Chemistry"],["dc.bibliographiccitation.lastpage","4051"],["dc.contributor.author","Zhu, H. P."],["dc.contributor.author","Chai, J. F."],["dc.contributor.author","Stasch, A."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Blunck, T."],["dc.contributor.author","Vidovic, D."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Noltemeyer, M."],["dc.date.accessioned","2018-11-07T10:44:46Z"],["dc.date.available","2018-11-07T10:44:46Z"],["dc.date.issued","2004"],["dc.description.abstract","The solid-state reaction of LAl and imidazol-2-ylidene at elevated temperature (120 degreesC) yielded the aluminum monohydride N-heterocyclic carbene adduct [(HC[C(CH2)NAr] (CMeNAr)}AIH-(CN(R)C2Me2N(R)}] [R = iPr (1), Me (2)]. Compounds 1 and 2 have been characterized by spectroscopic (IR, and H-1 and C-13 NMR), mass spectrometric, and elemental analyses, and I was further characterized by Xray structural analysis. These experimental data indicate that the AI-H bond is formed by hydrogen migration from one of the methyl groups of the beta-diketiminato ligand backbone. The reaction of LAl with two equivalents of diphenyldiazomethane afforded the diiminylaluminum compound LAl(N= CPh2)(2) (3), while an excess of diphenyldiazomethane resulted in the formation of Ph2C=N-N=CPh2. This suggests that Ph2C=N-N=CPh2 is initially generated and then reacts further by oxidative addition to yield 3. The X-ray structural analysis reveals that compound 3 contains the shortest Al-N-iminyl bond among those with a four-coordinate aluminum center."],["dc.identifier.doi","10.1002/ejic.200400159"],["dc.identifier.isi","000225781600011"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/47343"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1434-1948"],["dc.title","Reactions of the aluminum(I) monomer LAl [L = HC{(CMe)(NAr)}(2); Ar=2,6-iPr(2)C(6)H(3)]with imidazol-2-ylidene and diphenyldiazomethane. A hydrogen transfer from the L ligand to the central aluminum atom and formation of the diiminylaluminum compound LAl(N=CPh2)(2)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","4056"],["dc.bibliographiccitation.issue","20"],["dc.bibliographiccitation.journal","European Journal of Inorganic Chemistry"],["dc.bibliographiccitation.lastpage","4060"],["dc.contributor.author","Stasch, A."],["dc.contributor.author","Kumar, S. S."],["dc.contributor.author","Jancik, V."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Noltemeyer, M."],["dc.date.accessioned","2018-11-07T10:44:46Z"],["dc.date.available","2018-11-07T10:44:46Z"],["dc.date.issued","2004"],["dc.description.abstract","The methylated compounds [(AIMe)(6)(AINMe(3))(2)(CCH2Ph)(6)] (4), [(AlMe)(6)(AINMe(3))(2)(CCH2CH2SiMe3)(6)] (5) and [(Al-Me)(6)(NCH2C4H3S)(6)] (6) were synthesized in good yields from the corresponding hydride derivatives by treatment with AlMe3 in toluene. The X-ray single crystal structures of 4(.)XC(7)H(8), 4(.)4C(7)H(8) and 6 were determined. In 4(.)XC(7)H(8) the solvent molecules are arranged in infinite channels along the c axis. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)"],["dc.identifier.doi","10.1002/ejic.200400347"],["dc.identifier.isi","000225781600013"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/47345"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1434-1948"],["dc.title","Methyl substitution of aluminum-hydride bonds in a carbaalane and an aluminum imide"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","5441"],["dc.bibliographiccitation.issue","19"],["dc.bibliographiccitation.journal","Journal of the American Chemical Society"],["dc.bibliographiccitation.lastpage","5448"],["dc.bibliographiccitation.volume","124"],["dc.contributor.author","Stasch, A."],["dc.contributor.author","Ferbinteanu, M."],["dc.contributor.author","Prust, J."],["dc.contributor.author","Zheng, W. J."],["dc.contributor.author","Cimpoesu, F."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Noltemeyer, M."],["dc.date.accessioned","2018-11-07T10:29:50Z"],["dc.date.available","2018-11-07T10:29:50Z"],["dc.date.issued","2002"],["dc.description.abstract","The reaction of the acetylene RCequivalent toCH (R = Ph, CH2SiMe3) with an excess of AIH(3)(.)NMe(3) in boiling toluene leads to the carbaalane [(AIH)(6)(AINMe(3))(2)(CCH2R)(6)] (R = Ph 1, CH2SiMe3 2) in good yield. Treatment of 2 with BCl3 under varying conditions gives the chlorinated products [(AlCl)(6)(AlNMe3)(2)(CCH2CH2SiMe3)(6)] 3 and [(AlCl)(6)(AlNMe3)(2)(CCH2CH2SiMe2Cl)(6)] 4, respectively. The latter clearly demonstrates that the cluster can be stepwise functionalized within the inner and outer sphere. The X-ray single-crystal structures of 1, 2, and 4 have been determined. All compounds have in common that the central core consists of a cluster having eight aluminum and six carbon atoms. The bonding properties in this cluster are described as a new manifestation of three-dimensional surface aromaticity. Each Al4C fragment of the cube is formed by four bonds with three electron pairs, thus leading to a strong delocalization of the electrons. A phenomenological modeling using a three-dimensional Huckel scheme with fitted parameters to reproduce the energies from ab initio calculations revealed that the orbital scheme localized at one Al4C fragment possesses an orbital sextet with a large HOMO-LUMO gap. This is in line with the criteria of aromaticity. The idea of aromaticity was sustained also by qualitative valence bond reasons enumerating the different resonance structures by means of graph theoretical methods."],["dc.identifier.doi","10.1021/ja012035k"],["dc.identifier.isi","000175521200035"],["dc.identifier.pmid","11996585"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/43729"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Amer Chemical Soc"],["dc.relation.issn","0002-7863"],["dc.title","Syntheses, structures, and surface aromaticity of the new carbaalane [(AlH)(6)(AlNMe3)(2)(CCH2R)(6)] (R = Ph, CH2SiMe3) and a stepwise functionalization of the inner and outer sphere of the cluster"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1060"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","European Journal of Inorganic Chemistry"],["dc.bibliographiccitation.lastpage","1065"],["dc.contributor.author","Hao, H. J."],["dc.contributor.author","Bhandari, S."],["dc.contributor.author","Ding, Y. Q."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Noltemeyer, M."],["dc.contributor.author","Cui, C. M."],["dc.date.accessioned","2018-11-07T10:30:10Z"],["dc.date.available","2018-11-07T10:30:10Z"],["dc.date.issued","2002"],["dc.description.abstract","The reaction of 2-(2,6-iPr(2)C(6)H(3)N = CH)-5-R-C4H2NH (R = H, (LH)-H-1; R = tBu, (LH)-H-2) with one equivalent of ZnMe2 or MgnBu(2) in toluene or n-hexane afforded the bis(pyrrolylaldiminato) complexes ZnL21 (1), ZnL22 (2) and MgL22 (3). Crystalline 2 2 MgL21.THF (4THF) was formed by treatment of LiL1 with MeMgCl in THF followed by recrystallization from n-hexane. (LAlMe2)-Al-1 (6) and (LAlMe2)-Al-2 (7) were readily prepared by refluxing (LH)-H-1 and (LH)-H-2 with AlMe3 in toluene or n-hexane for several hours, However, the reaction of LiL1 with AlCl3 in a 1:1 molar ratio provided (L2AlCl)-Al-1 (8), while the reaction of KL2 with AlCl3 afforded (LAlCl2)-Al-2 (9). Compounds 2, 3, 5, and 8 were characterized by a single-crystal X-ray structural analysis. Compounds 2, 3, and 5 all have a tetrahedral geometry around the metal atom, while the five-coordinate aluminum in 8 has a trigonal bipyramidal geometry."],["dc.identifier.isi","000175267800010"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/43805"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1434-1948"],["dc.title","Pyrrolylaldiminato complexes of Zn, Mg and Al"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1823"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Inorganic Chemistry"],["dc.bibliographiccitation.lastpage","1827"],["dc.bibliographiccitation.volume","45"],["dc.contributor.author","Yang, Z."],["dc.contributor.author","Zhu, H. P."],["dc.contributor.author","Ma, X. L."],["dc.contributor.author","Chai, J. F."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","He, C."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Noltemeyer, M."],["dc.date.accessioned","2018-11-07T10:17:49Z"],["dc.date.available","2018-11-07T10:17:49Z"],["dc.date.issued","2006"],["dc.description.abstract","A series of Al(III) compounds containing the C6F5-substituted beta-diketiminate ligands LAlMeCl (2), LAlMe2 (3), LAlMel (4), and LAlBr2 (5) (L = HC[(CMe)(NC6F5)](2)) were synthesized and characterized. The hydrolysis of 2 and 4 in the presence of 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene as the hydrogen halide acceptor both lead to (LAIMe)(2)(mu-O) (6), a methylalumoxane derivative, which is the first hydrolysis product with the general formula of (RAIMe)nO. A comparison of the hydrolysis products of 2 and 4 with that of L'AIMeCl (L' = HC[(CMe)(NAr)](2), Ar = 2,6-iPr(2)C(7)H(3)) shows that with the C6F5-substituted beta-diketiminate ligand, it was not possible to generate LAIMe(OH). This is obviously due to the stronger Bronsted acidity of the proton and the smaller size of the C6F5 group in this compound compared to that of the corresponding 2,6-iPr(2)C(6)H(3) derivative."],["dc.identifier.doi","10.1021/ic051718o"],["dc.identifier.isi","000235480700057"],["dc.identifier.pmid","16471999"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/41302"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Amer Chemical Soc"],["dc.relation.issn","0020-1669"],["dc.title","Synthesis, characterization, and hydrolysis of aluminum(III) compounds bearing the C6F5-substituted beta-diketiminate HC[(CMe)(NC6F5)](2) (L) ligand"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","PII S0022-1139(02)00285-3"],["dc.bibliographiccitation.firstpage","59"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Journal of Fluorine Chemistry"],["dc.bibliographiccitation.lastpage","64"],["dc.bibliographiccitation.volume","120"],["dc.contributor.author","Hohmeister, H."],["dc.contributor.author","Wessel, H."],["dc.contributor.author","Lobinger, P."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Mueller, P."],["dc.contributor.author","Uson, I."],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Noltemeyer, M."],["dc.contributor.author","Magull, Joerg"],["dc.date.accessioned","2018-11-07T10:40:34Z"],["dc.date.available","2018-11-07T10:40:34Z"],["dc.date.issued","2003"],["dc.description.abstract","The fluorination of [MeAlN(2,6-i-Pr2C6H3)](3) 1 using 1 and 2 eq., respectively, trimethyltin fluoride leads to the mono- and difluoro compounds, [FAl(MeAl)(2)(N(2,6-i-Pr2C6H3))(3)](.)2THF 2 and [(FAl)(2)MeAl(N(2,6-i-Pr2C6H3))(3)](.)3THF 3, where each methyl group can be selectively exchanged for terminal fluorine atoms (Al-F). The reaction of 1 and 3 eq. of trimethyltin fluoride leads to the trifluoro compound [FAlN(2,6-i-Pr2C6H3)](3)(.)3THF 4 and [Me2SnN(2,6-i-Pr2C6H3)](2) 5 as a by-product. The core of compound 5 consists of a tin-nitrogen four-membered Sn2N2 ring. (C) 2002 Elsevier Science B.V. All rights reserved."],["dc.identifier.doi","10.1016/S0022-1139(02)00285-3"],["dc.identifier.isi","000181227000009"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/46332"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Elsevier Science Sa"],["dc.relation.issn","0022-1139"],["dc.title","Stepwise fluorination of [MeAlN(2,6-i-Pr2C6H3)](3) using trimethyltin fluoride as fluorinating agent"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","9472"],["dc.bibliographiccitation.issue","31"],["dc.bibliographiccitation.journal","Journal of the American Chemical Society"],["dc.bibliographiccitation.lastpage","9473"],["dc.bibliographiccitation.volume","126"],["dc.contributor.author","Zhu, H. P."],["dc.contributor.author","Chai, J. F."],["dc.contributor.author","Chandrasekhar, V."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Vidovic, D."],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Noltemeyer, M."],["dc.contributor.author","Power, P. P."],["dc.contributor.author","Merrill, W. A."],["dc.date.accessioned","2018-11-07T10:46:25Z"],["dc.date.available","2018-11-07T10:46:25Z"],["dc.date.issued","2004"],["dc.identifier.doi","10.1021/ja0475712"],["dc.identifier.isi","000223110100003"],["dc.identifier.pmid","15291514"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/47743"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Amer Chemical Soc"],["dc.relation.issn","0002-7863"],["dc.title","Two types of intramolecular addition of an Al-N multiple-bonded monomer LAlNAr ' arising from the reaction of LAl with N3Ar ' (L = HC[(CMe)(NAr)](2), Ar ' = 2,6-Ar2C6H3, Ar = 2,6-iPr(2)C(6)H(3))"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","3120"],["dc.bibliographiccitation.issue","17"],["dc.bibliographiccitation.journal","European Journal of Inorganic Chemistry"],["dc.bibliographiccitation.lastpage","3126"],["dc.contributor.author","Neculai, A. M."],["dc.contributor.author","Neculai, D."],["dc.contributor.author","Nikiforov, G. B."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Schlicker, C."],["dc.contributor.author","Herbst-Irmer, R."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Noltemeyer, M."],["dc.date.accessioned","2018-11-07T10:36:11Z"],["dc.date.available","2018-11-07T10:36:11Z"],["dc.date.issued","2003"],["dc.description.abstract","The reaction of LScBr2 (1), LYI2 (3), LHoI2 (4), or LErI2 (5) [L = N,N\"-(1,3-dimethyl-1,3-propanediylidene)bis(N',N'-diethyl-1,2-ethanediamine)] with Me3SnF was investigated. Treatment of 1 with Me3SnF results in the formation of (Me3BrSn-mu-F)(2)LSc (2) while compounds 3-5 give [LSnMe2][Me3SnI2] (6) as the only product that could be isolated and characterized. Metathesis reactions of 1 with AgSO3CF3 led to LSc(SO3CF3)(2) (7). Compounds 1, 2, 6 and 7 were characterized by single-crystal X-ray structural analysis. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)."],["dc.identifier.doi","10.1002/ejic.200300213"],["dc.identifier.isi","000185327500007"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/45267"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1434-1948"],["dc.title","Partially fluorinated rare earth metal complexes"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","3113"],["dc.bibliographiccitation.issue","17"],["dc.bibliographiccitation.journal","European Journal of Inorganic Chemistry"],["dc.bibliographiccitation.lastpage","3119"],["dc.contributor.author","Zhu, H. P."],["dc.contributor.author","Chai, J. F."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Noltemeyer, M."],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Vidovic, D."],["dc.contributor.author","Magull, Joerg"],["dc.date.accessioned","2018-11-07T10:36:10Z"],["dc.date.available","2018-11-07T10:36:10Z"],["dc.date.issued","2003"],["dc.description.abstract","The bulky chelating diamidoaluminum monohydride [ArN(CH2)(3)NAr]AlH(NMe3) (Ar = 2,6-iPr(2)C(6)H(3); 1) was prepared in excellent yield from the reaction of the diamine ArNH(CH2)(3)HNAr with a small excess of AlH3.NMe3 in toluene. Subsequent fluorination of 1 with Me3SnF resulted in the formation of the aluminum monofluoride [ArN(CH2)(3)N-Ar]AlF(NMe3) (2). Reaction of 1 with elemental E (E = S, Se and Te) proceeded in toluene with heating to yield the aluminum chalcogenides {[ArNH(CH2)(3)NAr]Al(mu-E)}(2) [E = S (3), Se (4), and Te (5)]. The structures of complexes 1, 2 and 4 have been determined by X-ray diffraction analyses. Compounds 1 and 2 are well-separated monomers with a central aluminum atom in a tetrahedral environment. The diamide ligand [ArN(CH2)(3)NAr](2-) chelates the Al atom to form a distorted six-membered AlN2C3 ring which features a boat conformation for 1 and a flattened chair conformation for 2. Compound 4, however, is a dimer with a central Al2Se2 core bearing an ideal four-membered planar ring and two six-membered AlN2C3 rings, both displaying a boat conformation. The latter two rings are arranged perpendicularly to the Al2Se2 core in a trans configuration. The IR spectra and H-1 NMR spectroscopic data of compounds 3-5 suggest that the migration of the hydrogen from selenium to one of the nitrogens at the diamide ligand is involved in the course of the reaction. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)."],["dc.identifier.doi","10.1002/ejic.200300182"],["dc.identifier.isi","000185327500006"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/45265"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1434-1948"],["dc.title","A bulky chelating diamidoaluminum monohydride - Synthesis, structure and reactions with Me3SnF and heavy group 16 elements"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","2669"],["dc.bibliographiccitation.issue","19"],["dc.bibliographiccitation.journal","Polyhedron"],["dc.bibliographiccitation.lastpage","2681"],["dc.bibliographiccitation.volume","22"],["dc.contributor.author","Nikiforov, G. B."],["dc.contributor.author","Roesky, H. W."],["dc.contributor.author","Magull, Joerg"],["dc.contributor.author","Labahn, T."],["dc.contributor.author","Vidovic, D."],["dc.contributor.author","Noltemeyer, M."],["dc.contributor.author","Schmidt, H. G."],["dc.contributor.author","Hosmane, Narayan S."],["dc.date.accessioned","2018-11-07T10:36:58Z"],["dc.date.available","2018-11-07T10:36:58Z"],["dc.date.issued","2003"],["dc.description.abstract","The titanium beta-diketiminato complexes (L1)TiCl2 (1), (L1)TiCl(N2,6-'Pr2C6H3) (2), and (L2)(2)TiCl (3) [L1 = (2,6-'Pr2C6H3)NC(Me)CHC(Me)N(2,6-'Pr2C6H3), L2 = (PrNC)-Pr-i(Me)CHC(Me)(NPr)-Pr-i] have been prepared by the reaction of the lithium salt of the ligand, L, with titanium trichloride. Complex 2 was isolated from supernatant solutions of I containing excess of the (L1)Li salt. The monochloride complex [(L2)TiCl((NPr)-Pr-i)](2) (4) was prepared by reduction of (L2)(2)TiCl2 with the excess of Na/K alloy. Fluorination of the monochloride complex 3 with Me3SnF affords polymeric [(L2)TiF2](n) (5). Oxidation of 5 gives the tetrameric complex, (L2)(4)Ti4F6O2.2toluene (6). Compounds 1-6 were characterized by single crystal X-ray structural analyses, elemental analyses, NMR and mass spectra. The bulky ligand (L1) stabilizes the Ti(III) complex I with an unusual distorted square-planar pyramidal geometry around the titanium atom, by sigma bonding to the metal. The less bulky ligand (L2) in complexes 3, 4 and 6 has mixed sigma and pi coordination to the titanium center. Investigation of the C-C, N-C distances in the NCCCN unit of the coordinated beta-diketiminato ligands (L1) and (L2) demonstrated the localization of the double bonds in the ligand in complexes 1-3 and 6. The stability of the complexes in solution was studied by means of NMR spectroscopy. Complexes 2 and 4 are stable in solution, the polymeric and the tetrameric nature of complexes 5 and 6 is not evident in C6D6 solution. The (L2)2TiCl stoichiometry of the complex is unstable. (C) 2003 Elsevier Science Ltd. All rights reserved."],["dc.identifier.doi","10.1016/S0277-5387(03)00345-0"],["dc.identifier.isi","000184655700001"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/45452"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","0277-5387"],["dc.title","Synthesis and investigation of the stability of Ti(III) beta-diketiminato complexes. Structure of the tetrameric non-metallocene titanium fluoride complex (L2)(4)Ti4F6O2 center dot 2toluene supported by the beta-diketiminato ligand"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]