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Sanchez-Barba, LfAuthorGarces, AAuthor

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September 27, 2022
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Ring-Opening Copolymerization of Cyclohexene Oxide and Cyclic Anhydrides Catalyzed by Bimetallic Scorpionate Zinc Catalysts

Publicated to: Polymers. 13 (10): 1651- - 2021-05-01 13(10), DOI: 10.3390/polym13101651

Authors: De La Cruz-Martínez, F; Buchaca, MMD; Del Campo-Balguerías, A; Fernández-Baeza, J; Sánchez-Barba, LF; Garcés, A; Alonso-Moreno, C; Castro-Osma, JA; Lara-Sánchez, A

Affiliations

Univ Castilla La Mancha, Fac Ciencias & Tecnol Quim, Ctr Innovac Quim Avanzada ORFEO CINQA, Dept Quim Inorgan Organ & Bioquim, Ciudad Real 13071, Spain - Author
Univ Castilla La Mancha, Fac Farm, Ctr Innovac Quim Avanzada ORFEO CINQA, Dept Quim Inorgan Organ & Bioquim, Albacete 02071, Spain - Author
Univ Rey Juan Carlos, Dept Biol & Geol Fis & Quim Inorgan, Mostoles 28933, Spain - Author
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Abstract

The catalytic activity and high selectivity reported by bimetallic heteroscorpionate acetate zinc complexes in ring-opening copolymerization (ROCOP) reactions involving CO2 as substrate encouraged us to expand their use as catalysts for ROCOP of cyclohexene oxide (CHO) and cyclic anhydrides. Among the catalysts tested for the ROCOP of CHO and phthalic anhydride at different reaction conditions, the most active catalytic system was the combination of complex 3 with bis(triphenylphosphine)iminium as cocatalyst in toluene at 80 degrees C. Once the optimal catalytic system was determined, the scope in terms of other cyclic anhydrides was broadened. The catalytic system was capable of copolymerizing selectively and efficiently CHO with phthalic, maleic, succinic and naphthalic anhydrides to afford the corresponding polyester materials. The polyesters obtained were characterized by spectroscopic, spectrometric, and calorimetric techniques. Finally, the reaction mechanism of the catalytic system was proposed based on stoichiometric reactions.

Keywords

Alternating copolymerizationBinuclearCalorimetric techniquesCarbon-dioxideCatalyst activityCatalyst selectivityCopolymerizationCyclic anhydridesEpoxidesMagnesiumMetal-complexesOlefinsPhthalic anhydridesPhthalic-anhydridePolyester materialsPolyestersPolymerizationPolymersReaction conditionsReaction mechanismRing opening copolymerizationRing-opening copolymerizationStoichiometric reactionTriphenyl phosphinesVersatile catalystsZinc complexesZinc compounds

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Polymers due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2021, it was in position 16/90, thus managing to position itself as a Q1 (Primer Cuartil), in the category Polymer Science.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-12-05:

  • WoS: 11
  • Scopus: 11
  • Europe PMC: 3

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-12-05:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 14.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 14 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 5.
  • The number of mentions on the social network X (formerly Twitter): 6 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Awards linked to the item

This research was funded by MINISTERIO DE CIENCIA, INNOVACION Y UNIVERSIDADES, Spain, grant numbers CTQ2017-84131-R and RED2018-102387-T.