Evidence map›Paper›PMID 37995236›Full record

ArticleScience (New York, N.Y.)2023

Rhodium catalyzed tunable amide homologation through a hook-and-slide strategy.

Rui Zhang, Tingting Yu, Guangbin Dong

Abstract read
In one paragraph

Article in Science (New York, N.Y.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing 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

16 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. "Cut-and-Sew" Reactions of β-Lactams via C-C Bond Activation.Journal of the American Chemical Society · 2025
    Article
  11. Article
  12. Article
  13. Article
  14. Skeletal Rearrangements of Amides via Breaking Inert Bonds.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025
    Review
  15. Article
  16. Iterative One-Carbon Homologation of Unmodified Carboxylic Acids.Journal of the American Chemical Society · 2024
    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

3 authors.

Rui ZhangDepartment of Chemistry, University of Chicago, Chicago, IL 60637, USA.ORCID 0000-0002-9228-165X
Tingting YuDepartment of Chemistry, University of Chicago, Chicago, IL 60637, USA.
Guangbin DongDepartment of Chemistry, University of Chicago, Chicago, IL 60637, USA.ORCID 0000-0003-1331-6015

Funding

Catalytic C-C Activation of Ketones - Renewal 01R01GM109054 · NIGMS · UNIVERSITY OF TEXAS AT AUSTIN · PI DONG, GUANGBIN · 2013 to 2025
$3.9M
NIGMS NIH HHS R01 GM109054
6 · The paper itself

Abstract

Preparation of diverse homologs from lead compounds has been a common and important practice in medicinal chemistry. However, homologation of carboxylic acid derivatives, particularly amides, remains challenging. Here we report a hook-and-slide strategy for homologation of tertiary amides with tunable lengths of the inserted carbon chain. Alkylation at the α-position of the amide (hook) is followed by highly selective branched-to-linear isomerization (slide) to effect amide migration to the end of the newly introduced alkyl chain; thus, the choice of alkylation reagent sets the homologation length. The key step involves a carbon-carbon bond activation process by a carbene-coordinated rhodium complex with assistance from a removable directing group. The approach is demonstrated for introduction of chains as long as 16 carbons and is applicable to derivatized carboxylic acids in complex bioactive molecules.

Identifiers

PMID37995236
PMCPMC11102777

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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.