Iminopyridine Manganese and Nickel Complexes: Synthesis, Characterization and Behavior in the Polymerization of 1,3-Butadiene

Giovanni Ricci; Benedetta Palucci; Simona Losio; Anna Sommazzi; Francesco Masi; Guido Pampaloni; Massimo Guelfi

doi:10.1007/s10118-024-3233-2

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Iminopyridine Manganese and Nickel Complexes: Synthesis, Characterization and Behavior in the Polymerization of 1,3-Butadiene

RESEARCH ARTICLE | Updated：2024-12-31

- Iminopyridine Manganese and Nickel Complexes: Synthesis, Characterization and Behavior in the Polymerization of 1,3-Butadiene
- Iminopyridine Manganese and Nickel Complexes: Synthesis, Characterization and Behavior in the Polymerization of 1,3-Butadiene
- 高分子科学（英文） 2025年43卷第1期页码：83-89
- Affiliations：
  
  a.CNR-Istituto di Scienze e Tecnologie "Chimiche" "Giulio Natta" (SCITEC), Via A. Corti 12, I-20133 Milano, Italy
  b.Scientific Advisor, Viale Giovanni XXIII 34, I-28100 Novara, Italy
  c.Scientific Advisor, Via Galvani 7, I-26866 Sant’Angelo Lodigiano (LO), Italy
  d.Scientific Advisor, Via E. Fiumalbi 29, I-56025 Pontedera (PI), Italy
  e.Università di Pisa, Dipartimento di Chimica e Chimica Industriale, Via Moruzzi 13, I-56124 Pisa, Italy
  f.Centro per l'Integrazione della Strumentazione Scientifica dell'Università di Pisa (C.I.S.U.P.), Università di Pisa, I-56124 Pisa, Italy
- Author bio：
  
  giovanni.ricci@scitec.cnr.it
- Funds：
  
  We are grateful to Ms. Fulvia Greco and Mr. Daniele Piovani for the acquisition of the NMR spectra and SEC measurements, respectively.;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-024-3233-2.
- DOI：10.1007/s10118-024-3233-2
  中图分类号：
- 收稿：2024-07-25，
  
  修回：2024-09-04，
  
  录用：2024-09-05，
  
  网络首发：2024-11-14，
  
  纸质出版：2025-01-01
- Accepted：
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Ricci, G.; Palucci, B.; Losio, S.; Sommazzi, A.; Masi, F.; Pampaloni, G.; Guelfi, M. Iminopyridine manganese and nickel complexes: synthesis, characterization and behavior in the polymerization of 1,3-butadiene. Chinese J. Polym. Sci. 2025, 43, 83–89

Giovanni Ricci, Benedetta Palucci, Simona Losio, et al. Iminopyridine Manganese and Nickel Complexes: Synthesis, Characterization and Behavior in the Polymerization of 1,3-Butadiene[J]. Chinese Journal of Polymer Science, 2025, 43(1): 83-89.
Ricci, G.; Palucci, B.; Losio, S.; Sommazzi, A.; Masi, F.; Pampaloni, G.; Guelfi, M. Iminopyridine manganese and nickel complexes: synthesis, characterization and behavior in the polymerization of 1,3-butadiene. Chinese J. Polym. Sci. 2025, 43, 83–89 DOI： 10.1007/s10118-024-3233-2.

Giovanni Ricci, Benedetta Palucci, Simona Losio, et al. Iminopyridine Manganese and Nickel Complexes: Synthesis, Characterization and Behavior in the Polymerization of 1,3-Butadiene[J]. Chinese Journal of Polymer Science, 2025, 43(1): 83-89. DOI： 10.1007/s10118-024-3233-2.

摘要

Some manganese and nickel pyridyl-imine complexes are synthesized

characterized and used in the polymerization of butadiene

obtaining predominantly 1

2 and exclusively cis-1

4 polymers

respectively.It should be underlined that practically nothing has ever been reported in the literature on manganese-based catalysts for the stereospecific polymerization of conjugated dienes.

Abstract

Some novel manganese and nickel complexes were synthesized by reacting manganese(II) dichloride and nickel(II) dichloride with pyridyl-imine ligands differing in the nature of the substituents at the imino nitrogen atom. All the complexes were characterized by analytical and infrared data: for some of them single crystals were obtained

and their molecular structure was determined by X-ray diffraction. The complexes were used in association with methylaluminoxane (MAO) for the polymerization of 1

3-butadiene obtaining active and selective catalysts giving predominantly 1

2 polybutadiene in case of manganese catalysts and exclusively

cis

-1

4 polybutadiene in case of nickel catalysts.

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references

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