Evidence map›Paper›PMID 42676217›Full record

ArticleJournal of the American Chemical Society2026

Convergent Synthesis of the Minimal Macrolide Antibiotic Narbomycin.

Quinn Edmondson, Cecilia Panfil, Jasmine K Keyes, Andrew K Ecker, Nicholas S Settineri, Ian B Seiple

Abstract read
In one paragraph

Article in Journal of the American Chemical Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

6 authors.

Quinn EdmondsonDepartment of Pharmaceutical Chemistry and Cardiovascular Research Institute, University of California, San Francisco, San Francisco, California94158, United States.ORCID 0000-0002-1133-0852
Cecilia PanfilDepartment of Chemistry, The Scripps Research Institute, La Jolla, California92037, United States.ORCID 0009-0009-1709-4078
Jasmine K KeyesDepartment of Pharmaceutical Chemistry and Cardiovascular Research Institute, University of California, San Francisco, San Francisco, California94158, United States.
Andrew K EckerDepartment of Pharmaceutical Chemistry and Cardiovascular Research Institute, University of California, San Francisco, San Francisco, California94158, United States.ORCID 0000-0001-7331-0825
Nicholas S SettineriAdvanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California94720, United States.ORCID 0000-0003-0272-454X
Ian B SeipleDepartment of Pharmaceutical Chemistry and Cardiovascular Research Institute, University of California, San Francisco, San Francisco, California94158, United States.ORCID 0000-0002-8732-1362

Funding

Modular synthesis of antibiotic and anticancer classes of natural productsR35GM148184 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI Ian Seiple · 2023 to 2026
$1.9M
Scripps Research Translational Chemical BiologyT32GM159580 · NIGMS · SCRIPPS RESEARCH INSTITUTE, THE · PI Mia L Huang · 2025 to 2026
$815k
Camille and Henry Dreyfus Foundation TC-21-092National Institutes of Health (NIH) GM148184National Institutes of Health (NIH) T32GM159580NIGMS NIH HHS R35 GM148184NIGMS NIH HHS T32 GM159580
6 · The paper itself

Abstract

Macrolide antibiotics are a class of structurally diverse polyketides including essential medicines like erythromycin and azithromycin. Structurally minimal macrolides such as narbomycin lack much of the functionality common to other members of the class and exhibit a distinct mode of action wherein they completely inhibit bacterial growth despite only moderate inhibition of global protein synthesis. Unfortunately, lack of availability of these natural products has prevented a thorough investigation of their unusual mechanisms of action. Here we report a 10-step synthesis of narbomycin enabled by a Liebeskind-Srogl fragment coupling, a novel macrolactonization by direct displacement of an Evans auxiliary, and a stereoselective late-stage enone reduction. In addition to accessing the natural product, the route enables access to C8,19-unsaturated variants which could in principle serve as useful precursors for late-stage functionalization by conjugate addition.

Identifiers

PMID42676217
PMCPMC13557744

What OpenQuestion holds

Textmetadata
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Registered trials

None linked

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.