Elsevier
Inorganica Chimica Acta
,  volume 487 ,  pages 153-161

Heteroleptic triphenylacetate-tetramethylaluminate complexes of lanthanum and neodymium. Coordination of La3+ with the π-system as the reason for the low catalytic activity of lanthanum complexes

Dmitrii M. Roitershtein 1, 2
, 
Alexander A Vinogradov 3
, 
Konstantin A. Lyssenko 4, 5
, 
Ivan V Ananyev 4
, 
Vladimir A. Yakovlev 3
, 
Natalya N Kostitsyna 3
, 
Ilya E. Nifant'ev 6, 7
1
 
2
 
3
 
4
 
5
 
6
 
7
 
Publication type: Journal Article
Publication date: 2019-03-01
Elsevier
scimago Q3
wos Q2
SJR: 0.393
CiteScore: 5.5
Impact factor: 3.2
ISSN: 00201693, 18733255
Materials Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Abstract Triphenylacetate-tetramethylaluminate complexes [Ln(Ph3CCOO)2Al(CH3)4]2 (Ln = La, Nd) have been synthesized and structurally characterized. Their reaction with THF leads to the formation of the solvent-separated ion pairs [(Ph3CCOO)2Ln(THF)5]+[(Al(CH3)4]−. The tendency of the La3+ cation to interact with the π-electron system of phenyl rings has been revealed by molecular structure analysis for La-Al and Nd – Al tetramethylaluminate complexes in combination with the study of butadiene and isoprene polymerization by using catalyst system based on these complexes and aluminum alkyl cocatalysts. Coordination of Ln3+ cation by the π-electron conjugated system makes it difficult to form the catalytically active intermediates and decreases the catalytic activity.
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Roitershtein D. M. et al. Heteroleptic triphenylacetate-tetramethylaluminate complexes of lanthanum and neodymium. Coordination of La3+ with the π-system as the reason for the low catalytic activity of lanthanum complexes // Inorganica Chimica Acta. 2019. Vol. 487. pp. 153-161.
GOST all authors (up to 50) Copy
Roitershtein D. M., Vinogradov A. A., Lyssenko K. A., Ananyev I. V., Yakovlev V. A., Kostitsyna N. N., Nifant'ev I. E. Heteroleptic triphenylacetate-tetramethylaluminate complexes of lanthanum and neodymium. Coordination of La3+ with the π-system as the reason for the low catalytic activity of lanthanum complexes // Inorganica Chimica Acta. 2019. Vol. 487. pp. 153-161.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ica.2018.12.012
UR - https://linkinghub.elsevier.com/retrieve/pii/S0020169318316736
TI - Heteroleptic triphenylacetate-tetramethylaluminate complexes of lanthanum and neodymium. Coordination of La3+ with the π-system as the reason for the low catalytic activity of lanthanum complexes
T2 - Inorganica Chimica Acta
AU - Roitershtein, Dmitrii M.
AU - Vinogradov, Alexander A
AU - Lyssenko, Konstantin A.
AU - Ananyev, Ivan V
AU - Yakovlev, Vladimir A.
AU - Kostitsyna, Natalya N
AU - Nifant'ev, Ilya E.
PY - 2019
DA - 2019/03/01
PB - Elsevier
SP - 153-161
VL - 487
SN - 0020-1693
SN - 1873-3255
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2019_Roitershtein,
author = {Dmitrii M. Roitershtein and Alexander A Vinogradov and Konstantin A. Lyssenko and Ivan V Ananyev and Vladimir A. Yakovlev and Natalya N Kostitsyna and Ilya E. Nifant'ev},
title = {Heteroleptic triphenylacetate-tetramethylaluminate complexes of lanthanum and neodymium. Coordination of La3+ with the π-system as the reason for the low catalytic activity of lanthanum complexes},
journal = {Inorganica Chimica Acta},
year = {2019},
volume = {487},
publisher = {Elsevier},
month = {mar},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0020169318316736},
pages = {153--161},
doi = {10.1016/j.ica.2018.12.012}
}