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Muñoz, McAuthor

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October 28, 2024
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Diastereo- and Enantioselective Organocatalytic Synthesis of Spirocyclopropyl Pyrazolones

Publicated to: ADVANCED SYNTHESIS & CATALYSIS. 366 (4): 698-703 - 2024-02-20 366(4), DOI: 10.1002/adsc.202300501

Authors:

Carceller-Ferrer, L; Blay, G; Muñoz, MC; Pedro, JR; Vila, C
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Affiliations

Univ Politecn Valencia, Dept Fis Aplicada, Camino Vera S-N - Author
Univ Valencia, Dept Quim Organ, Fac Quim, Dr Moliner 50, Burjassot 46100 - Author

Abstract

A diastereo- and enantioselective synthesis of spirocyclopropylpyrazolones has been described through a Michael/alkylation cascade reaction of 4-arylidenepyrazol-5-ones with diethyl 2-bromomalonate catalyzed by (DHQ)(2)AQN. The reaction afforded selectively the corresponding spirocyclic compounds with 30-83% yield, diastereoselectivities ranging from 60:40 to >95:5 and 26-93% enantiomeric excess under mild reaction conditions. Moreover, we performed two selective transformations with the corresponding chiral compounds.
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Keywords

Asymmetric cyclopropanationAsymmetric synthesisAsymmetric synthesisConstructionCyclopropanesOrganocatalysisPyrazolonesSpirocyclic compoundsYlides

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal ADVANCED SYNTHESIS & CATALYSIS 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, 2024 there are still no calculated indicators, but in 2023, it was in position 8/57, thus managing to position itself as a Q1 (Primer Cuartil), in the category Chemistry, Organic.

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 2026-03-17:

  • WoS: 6
  • Scopus: 5
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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 2026-03-17:

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: 8.
  • The number of mentions on the social network X (formerly Twitter): 12 (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.
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