Evidence map›Paper›PMID 38135660›Full record

ArticleAngewandte Chemie (International ed. in English)2024

Wingtip-Flexible N-Heterocyclic Carbenes: Unsymmetrical Connection between IMes and IPr.

Qun Zhao, Mahbubur Rahman, Tongliang Zhou, Shiyi Yang, Roger Lalancette, Roman Szostak, Michal Szostak

Open access · greenAbstract read
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
1.6field-weighted citation impact, top 17% of its field
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

7 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Article
  3. IPr**Organometallics · 2025
    Article
  4. Article
  5. Review
  6. Article
  7. IPr*Chemistry (Weinheim an der Bergstrasse, Germany) · 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

7 authors at 2 institutions in 3 countries.

Qun ZhaoDepartment of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA.
Mahbubur RahmanDepartment of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA.
Tongliang ZhouDepartment of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA.
Shiyi YangDepartment of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA.
Roger LalancetteDepartment of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA.
Roman SzostakDepartment of Chemistry, Wroclaw University, F. Joliot-Curie 14, Wroclaw, 50-383, Poland.
Michal SzostakDepartment of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA.ORCID https://orcid.org/0000-0002-9650-9690
Rutgers, The State University of New Jersey · USUniversity of Wrocław · PL

Funding

Catalytic Methods for Organic SynthesisR35GM133326 · NIGMS · RUTGERS THE STATE UNIV OF NJ NEWARK · PI Michal Szostak · 2019 to 2026
$2.7M
NIGMS NIH HHS R35 GM133326NIH HHS R35GM133326
6 · The paper itself

Abstract

IMes (IMes=1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene) and IPr (IPr=1,3- bis(2,6-diisopropylphenyl)imidazol-2-ylidene) represent by far the most frequently used N-heterocyclic carbene ligands in homogeneous catalysis, however, despite numerous advantages, these ligands are limited by the lack of steric flexibility of catalytic pockets. We report a new class of unique unsymmetrical N-heterocyclic carbene ligands that are characterized by freely-rotatable N-aromatic wingtips in the imidazol-2-ylidene architecture. The combination of rotatable N-CH

Indexed as

CatalysisLigand DesignMetal StabilizationNHCsN-Heterocyclic Carbenes

Identifiers

PMID38135660
PMCPMC10922840
OpenAlexW4390124863

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.