Evidence map›Paper›PMID 33373212›Full record

ArticleJournal of the American Chemical Society2021

General Light-Mediated, Highly Diastereoselective Piperidine Epimerization: From Most Accessible to Most Stable Stereoisomer.

Zican Shen, Morgan M Walker, Shuming Chen, Giovanny A Parada, Duc M Chu, Sun Dongbang, James M Mayer, K N Houk, Jonathan A Ellman

Abstract read
In one paragraph

Article in Journal of the American Chemical Society, 2021. 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. Deciphering competing reaction pathways in the α-C-H functionalization of unprotected alicyclic aminesOrganic chemistry frontiers : an international journal of organic chemistry · 2026
    Article
  2. Article
  3. Article
  4. Article
  5. Photocatalyzed Epimerization of Quaternary Stereocenters.Journal of the American Chemical Society · 2025
    Article
  6. Photo-induced carboxylation of C(spNature communications · 2024
    Article
  7. Article
  8. Site-selective α-C(spNature communications · 2024
    Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. 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

9 authors.

Zican ShenDepartment of Chemistry, Yale University, New Haven, Connecticut 06520, United States.
Morgan M WalkerDepartment of Chemistry, Yale University, New Haven, Connecticut 06520, United States.
Shuming ChenDepartment of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States.ORCID 0000-0003-1897-2249
Giovanny A ParadaDepartment of Chemistry, Yale University, New Haven, Connecticut 06520, United States.
Duc M ChuDepartment of Chemistry, Yale University, New Haven, Connecticut 06520, United States.
Sun DongbangDepartment of Chemistry, Yale University, New Haven, Connecticut 06520, United States.
James M MayerDepartment of Chemistry, Yale University, New Haven, Connecticut 06520, United States.ORCID 0000-0002-3943-5250
K N HoukDepartment of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States.ORCID 0000-0002-8387-5261
Jonathan A EllmanDepartment of Chemistry, Yale University, New Haven, Connecticut 06520, United States.ORCID 0000-0001-9320-5512

Funding

Next-generation C-H functionalization methods for organic synthesis and their applications to biological inquiryR35GM122473 · NIGMS · YALE UNIVERSITY · PI JONATHAN A ELLMAN · 2017 to 2026
$7.6M
UNDERSTANDING METAL MEDIATED C-H AND O-H BOND OXIDATIONSR01GM050422 · NIGMS · YALE UNIVERSITY · PI MAYER, JAMES M · 1995 to 2020
$6.1M
NIGMS NIH HHS R01 GM050422NIGMS NIH HHS R35 GM122473
6 · The paper itself

Abstract

We report a combined photocatalytic and hydrogen atom transfer (HAT) approach for the light-mediated epimerization of readily accessible piperidines to provide the more stable diastereomer with high selectivity. The generality of the transformation was explored for a large variety of di- to tetrasubstituted piperidines with aryl, alkyl, and carboxylic acid derivatives at multiple different sites. Piperidines without substitution on nitrogen as well as

Indexed as

CatalysisCoordination ComplexesHydrogenIridiumLightOxidation-ReductionPiperidinesStereoisomerismCoordination ComplexesHydrogenIridiumPiperidines

Identifiers

PMID33373212
PMCPMC7855822

What OpenQuestion holds

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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.