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October 30, 2025
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A cascade carbene insertion reaction on recoverable catalytic metal-free zeolites

Publicated to: Cell Rep Phys Sci. 6 (9): 102800- - 2025-09-17 6(9), DOI: 10.1016/j.xcrp.2025.102800

Authors:

Espinosa, M; Zheng, YK; n-Carrasco, JPC; Martinez-Belenguer, L; Rez, ALP
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Affiliations

Univ Politecn Cartagena, Ctr Univ Def, Acad Gen Aire, C Coronel Lopez Pena S-N, Murcia 30720, Spain - Author
Univ Politecn Valencia, Inst Tecnol Quim, Consejo Super Invest Cient UPV CSIC, Agencia Estatal, Avda Naranjos S-N, Valencia 46022, Spain - Author

Abstract

The generation and insertion reaction of carbenes is incompatible with strong oxidants or highly basic amino groups due to the rapid deactivation of the metal catalysts necessary to generate the carbenes. Here, we show that dealuminated zeolites are capable not only of generating and inserting carbenes from diazoacetates into O-H bonds, but also of allowing the in situ dehydrogenation reaction of the so-generated alcohol with (hydro)peroxides and the subsequent imination/isomerization (for non-aromatic imines) of the resulting ketoester with a primary amine, all in a one-pot catalytic mode. In this way, a variety of alpha-iminoesters can be generated from diazoacetates, water (also in catalytic amounts), and amines, with a recoverable and reusable solid catalyst. These results open the possibility of telescoping a carbene-mediated reaction with classical oxidation and condensation reactions in a cascade fashion, under the action of a simple and commercially available solid catalyst.
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Keywords

AcidAsymmetric oxidationComplexesDiazoEfficientFunctionalizationHydrolysisIsomerizationN-h bondsOxygen

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Cell Rep Phys Sci 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, 2025, it was in position 14/114, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Multidisciplinary.

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 2026-04-03:

  • WoS: 1
  • Scopus: 1
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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 2026-04-03:

  • 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: 1 (PlumX).

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.
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Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Espinosa, Miguel) and Last Author (Rez, Antonio Leyva-Pe).

the author responsible for correspondence tasks has been Rez, Antonio Leyva-Pe.

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Awards linked to the item

Financial support by project PID2023-148441NB-I00 and Severo Ochoa Centre of Excellence Program (CEX2021-001230-S) is gratefully acknowl-edged. The work has also been funded by Generalitat Valenciana (Prome-teo Grupos de Investigacio n de Excelencia PROMETEU/2021/054) . Y.Z. thanks the China Scholarship Council (CSC no. 202009350009) for a Ph.D. fellowship. M.E. thanks the Universitat de Vale` ncia (PROMETEU/2021/054) for the concession of a contract. Ll.M.-B. thanks the Severo Ochoa program for the concession of a contract. J.P.C.-C. thanks the computing resources (the Picasso supercomputer) , technical expertise, and assistance provided by the SCBI (Supercomputing and Bioinformatics) Centre of the University of Ma laga, a member of the Plataforma Andaluza de Bioniforma tica.
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