Evidence map›Paper›PMID 22415793›Full record

ArticleChemistry, an Asian journal2012

Formal synthesis of (-)-englerin A and cytotoxicity studies of truncated englerins.

Jing Xu, Eduardo J E Caro-Diaz, Ayse Batova, Steven D E Sullivan, Emmanuel A Theodorakis

Abstract read
In one paragraph

Article in Chemistry, an Asian journal, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing 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

8 citing papers in PubMed.

  1. Article
  2. Article
  3. Cycloaddition reactions of enoldiazo compounds.Chemical Society reviews · 2017
    Review
  4. Englerins: A Comprehensive Review.Journal of natural products · 2017
    Review
  5. Article
  6. Renal cancer-selective Englerin A induces multiple mechanisms of cell death and autophagy.Journal of experimental & clinical cancer research : CR · 2013
    Article
  7. Article
  8. 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

5 authors.

Jing XuDepartment of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, MC: 0358, La Jolla, CA 92093-0358, USA.
Eduardo J E Caro-Diaz
Ayse Batova
Steven D E Sullivan
Emmanuel A Theodorakis

Funding

Synthesis of Bioactive Marine Natural ProductsR01GM081484 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI THEODORAKIS, EMMANUEL A · 2008 to 2011
$1.2M
NIGMS NIH HHS R01 GM081484
6 · The paper itself

Abstract

An efficient formal synthesis of (-)-englerin A (1) is reported. The target molecule is a recently isolated guaiane sesquiterpene that possesses highly potent and selective activity against renal cancer cell-lines. Our enantioselective strategy involved the construction of the BC ring system of compound 1 through a Rh(II)-catalyzed [4+3] cycloaddition reaction followed by subsequent attachment of the A ring through an intramolecular aldol condensation reaction. As such, this strategy allows the synthesis of truncated englerins. Evaluation of these analogues with the A498 renal cancer cell-line suggested that the A ring of englerin is crucial to its antiproliferative activity. Moreover, evaluation of these analogues led to the identification of potent growth-inhibitors of CEM cells with GI(50) values in the range 1-3 μM.

Indexed as

Antineoplastic Agents, PhytogenicCatalysisCell Line, TumorCell ProliferationCyclizationHumansInhibitory Concentration 50Kidney NeoplasmsModels, MolecularPhyllanthusPrecursor Cell Lymphoblastic Leukemia-LymphomaRhodiumSesquiterpenes, GuaianeStereoisomerismAntineoplastic Agents, Phytogenicenglerin ARhodiumSesquiterpenes, Guaiane

Identifiers

PMID22415793
PMCPMC3338859

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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.