Amido rare-earth complexes supported by an ansa bis(amidinate) ligand with a rigid 1,8-naphthalene linker: synthesis, structures and catalytic activity in rac-lactide polymerization and hydrophosphonylation of carbonyl compounds

Yakovenko, M. V.; Udilova, Natalia Yu.; Glukhova, Tatyana A.; Cherkasov, Anton V.; Fukin, Georgy K.; Trifonov, Alexander A.

doi:10.1039/c4nj01698j

Cited by 23 publications

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“…Trifonov, Shen and others employed bis(amidinates) linked by e.g. 1,3-diaminopropane, [32][33][34][35] o-, mand p-phenylene, [36][37][38][39][40] pyridinediyl, 39,40 1,4-cyclohexene, 36 naphthalene [41][42][43][44] or propyl 45 for the synthesis of mono-and bimetallic rare-earth complexes.…”

Section: Introductionmentioning

confidence: 99%

Mono- and bimetallic amidinate samarium complexes – synthesis, structure, and hydroamination catalysis

et al. 2019

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Section: Introductionmentioning

confidence: 99%

Mono- and bimetallic amidinate samarium complexes – synthesis, structure, and hydroamination catalysis

et al. 2019

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“…Monometallic complexes of type A are often observed when large ions such as Lu, Nd, Sm, Y, Yb, and Zr are involved (Figure ), and the related bis(amidinate) complexes have found catalytic applications in hydrophosphonylation and ring‐opening polymerization reactions, but were also used as catalysts for the synthesis of monosubstituted N‐arylamidines . For smaller ions, however, only one example of a type A complex containing a titanium(IV) center is known to date .…”

Section: Bis(amidine)smentioning

confidence: 99%

Ligands with Two Monoanionic N,N‐Binding Sites: Synthesis and Coordination Chemistry

Kretschmer

2019

Chemistry A European J

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Polytopic ligands have become ubiquitous in coordination chemistry because they grant access to a variety of mono‐ and polynuclear complexes of transition metals as well as rare‐earth and main‐group elements. Nitrogen‐based ditopic ligands, in which two monoanionic N,N‐binding sites are framed within one molecule, are of particular importance and are therefore the primary focus of this review. In detail, bis(amidine)s, bis(guanidine)s, bis(β‐diimine)s, bis(aminotroponimine)s, bis(pyrrolimine)s, and miscellaneous bis(N,N‐chelating) ligands are reviewed. In addition to the general synthetic protocols, the application of these ligands is discussed along with their coordination chemistry, the multifarious binding modes, and the ability of these ligands to bridge two (or more) metal(loids).

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Rare‐Earth Complexes Coordinated by ansa‐Bis(amidinate) Ligands with m‐Phenylene, 2,6‐Pyridinediyl, and SiMe₂ Linkers

et al. 2017

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The salt-metathesis reactions of anhydrous LnCl 3 (Ln = Y, Er) with [1,3-C 6 H 4 {NC(Ph)NSiMe 3 } 2 Li 2 (thf ) 2 ] 2 (1; thf = tetrahydrofuran) in a 2:1 molar ratio in thf afford tris(amidinate) (3) and [(1,3-C 6 H 4 {NC(Ph)NSiMe 3 } 2 ) 3 Er 2 (μ-Cl)Li(thf ) 3 ] (4), which feature bridging coordination of the amidinate ligands to two Ln 3+ ions. The reactions of the dilithium derivative of the related bis(amidine) with a 2,6-pyridinediyl linker, [2,6-C 5 H 3 N-{NC(tBu)N(2,6-Me 2 C 6 H 3 )} 2 ] 2-, with LnCl 3 (Ln = Y, Er) result in the formation of mononuclear chlorido bis(ligand) ate complexes [{(2,

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Amido rare-earth complexes supported by an ansa bis(amidinate) ligand with a rigid 1,8-naphthalene linker: synthesis, structures and catalytic activity in rac-lactide polymerization and hydrophosphonylation of carbonyl compounds

Abstract: We report the synthesis of rare-earth amides and their catalytic activity in ROP of lactide.

Cited by 23 publications

References 89 publications

Mono- and bimetallic amidinate samarium complexes – synthesis, structure, and hydroamination catalysis

Mono- and bimetallic amidinate samarium complexes – synthesis, structure, and hydroamination catalysis

Ligands with Two Monoanionic N,N‐Binding Sites: Synthesis and Coordination Chemistry

Rare‐Earth Complexes Coordinated by ansa‐Bis(amidinate) Ligands with m‐Phenylene, 2,6‐Pyridinediyl, and SiMe₂ Linkers

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Amido rare-earth complexes supported by an ansa bis(amidinate) ligand with a rigid 1,8-naphthalene linker: synthesis, structures and catalytic activity in rac-lactide polymerization and hydrophosphonylation of carbonyl compounds

Abstract: We report the synthesis of rare-earth amides and their catalytic activity in ROP of lactide.

Cited by 23 publications

References 89 publications

Mono- and bimetallic amidinate samarium complexes – synthesis, structure, and hydroamination catalysis

Mono- and bimetallic amidinate samarium complexes – synthesis, structure, and hydroamination catalysis

Ligands with Two Monoanionic N,N‐Binding Sites: Synthesis and Coordination Chemistry

Rare‐Earth Complexes Coordinated by ansa‐Bis(amidinate) Ligands with m‐Phenylene, 2,6‐Pyridinediyl, and SiMe2 Linkers

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Rare‐Earth Complexes Coordinated by ansa‐Bis(amidinate) Ligands with m‐Phenylene, 2,6‐Pyridinediyl, and SiMe₂ Linkers