Evidence map›Paper›PMID 41219521›Full record

ArticleNature chemistry2026

Triply convergent Ni-electrocatalytic assembly of 1,1-diaryl cyclobutanes, azetidines and oxetanes.

Luca Massaro, Philipp Neigenfind, Andrew Feng, Gannon Kuehn, Flynn C Attard, Ava DeSanti, Michael R Collins, Martin Bravo, Raymond K Twumasi, Doris Chen and 12 more

Abstract read
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In one paragraph

Article in Nature chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Dibromocarbene addition to bicyclo[1.1.0]butanes: A facile route to substituted bicyclo[1.1.1]pentanes.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

22 authors.

Luca Massaro *Department of Chemistry, Scripps Research, La Jolla, CA, USA.ORCID http://orcid.org/0000-0001-6806-6039
Philipp Neigenfind *Department of Chemistry, Scripps Research, La Jolla, CA, USA.
Andrew FengDepartment of Chemistry, Scripps Research, La Jolla, CA, USA.
Gannon KuehnDepartment of Chemistry, Scripps Research, La Jolla, CA, USA.
Flynn C AttardDepartment of Chemistry, Scripps Research, La Jolla, CA, USA.
Ava DeSantiDepartment of Chemistry, Scripps Research, La Jolla, CA, USA.
Michael R CollinsDepartment of Chemistry, La Jolla Laboratories, Pfizer Inc., San Diego, CA, USA.ORCID http://orcid.org/0000-0001-7799-1664
Martin BravoDepartment of Chemistry, La Jolla Laboratories, Pfizer Inc., San Diego, CA, USA.
Raymond K TwumasiDepartment of Chemistry, La Jolla Laboratories, Pfizer Inc., San Diego, CA, USA.ORCID http://orcid.org/0009-0008-1184-0087
Doris ChenDepartment of Chemistry, La Jolla Laboratories, Pfizer Inc., San Diego, CA, USA.
Philippe N BolducBiogen Inc., Cambridge, MA, USA.ORCID http://orcid.org/0000-0001-8726-4364
Michael NicastriBiogen Inc., Cambridge, MA, USA.ORCID http://orcid.org/0000-0002-6283-5543
Megan A EmmanuelChemical Process Development, Bristol Myers Squibb, New Brunswick, NJ, USA.
Martins S OderindeSmall Molecule Drug Discovery, Bristol Myers Squibb Research & Early Development, Princeton, NJ, USA.
Maximilian D PalkowitzSmall Molecule Drug Discovery, Bristol Myers Squibb Research & Early Development, Cambridge, MA, USA.
Xiaofan ZhengSmall Molecule Drug Discovery, Bristol Myers Squibb Research & Early Development, Cambridge, MA, USA.
Arianne C HunterProcess Research and Development, AbbVie Inc., North Chicago, IL, USA.
Kaid C HarperProcess Research and Development, AbbVie Inc., North Chicago, IL, USA.ORCID http://orcid.org/0000-0003-3894-4851
Chet C TyrolPfizer Worldwide Research and Development, Groton, CT, USA.
Pavel K MykhailiukP. Mykhailiuk, Enamine Ltd, Kyiv, Ukraine.ORCID http://orcid.org/0000-0003-1821-9011
Yu KawamataDepartment of Chemistry, Scripps Research, La Jolla, CA, USA.ORCID http://orcid.org/0000-0002-5515-9612
Phil S BaranDepartment of Chemistry, Scripps Research, La Jolla, CA, USA. pbaran@scripps.edu.ORCID http://orcid.org/0000-0001-9193-9053

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The pursuit of increasingly complex, three-dimensional molecules is pushing the boundaries of modern organic synthesis, particularly in drug discovery where rigid, saturated scaffolds such as cyclobutanes, azetidines and oxetanes are in high demand. Here we outline a modular, scalable, chemoselective approach to solve this problem using simple α-bromoacids and aryl halides as intuitive starting materials. As demonstrated herein, a sequential series of nickel-electrocatalytic cross-couplings can be enlisted to enable rapid access to such structures, many of which have been nearly impossible to access before without recourse to time-consuming polar bond disconnections that are inherently limiting in terms of accessible chemical space. The scalability of this new reaction sequence is demonstrated, alongside direct applications to known patented structures. A simple user guide is also presented to accelerate adoption of this strategy in medicinal chemistry and related fields.

Identifiers

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.