Evidence map›Paper›PMID 30781470›Full record

ArticleMolecules (Basel, Switzerland)2019

Position-Selective Synthesis and Biological Evaluation of Four Isomeric A-Ring Amino Derivatives of the Alkaloid Luotonin A.

Amra Ibric, Stefan Eckerstorfer, Martin Eder, Ivan Louko, Leopold Tunjic, Petra Heffeter, Hemma Henrike Schueffl, Brigitte Marian, Norbert Haider

Open access · goldAbstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
1.0field-weighted citation impact, top 25% 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

3 citing papers in PubMed, 16 citations in OpenAlex.

  1. Recent Advances in the Research on Luotonins A, B, and E.Molecules (Basel, Switzerland) · 2024
    Review
  2. Article
  3. Heterocycles in Medicinal Chemistry.Molecules (Basel, Switzerland) · 2019
    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 at 2 institutions in 1 country.

Amra IbricDepartment of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria. amra.ibric@univie.ac.at.
Stefan EckerstorferDepartment of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria. stefan.eckerstorfer@me.com.
Martin EderDepartment of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria. semrad@gmx.at.
Ivan LoukoDepartment of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria. ivan_louko@yahoo.com.
Leopold TunjicDepartment of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria. leopold.tunjic@gmail.com.
Petra HeffeterInstitute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria. petra.heffeter@meduniwien.ac.at.ORCID 0000-0001-6401-8646
Hemma Henrike SchuefflInstitute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria. hemma.schueffl@meduniwien.ac.at.
Brigitte MarianInstitute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria. brigitte.marian@meduniwien.ac.at.
Norbert HaiderDepartment of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria. norbert.haider@univie.ac.at.ORCID 0000-0001-8012-4625
University of Vienna · ATComprehensive Cancer Center Vienna · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Following two orthogonal synthetic routes, a series of all four possible A-ring amino derivatives of the natural product Luotonin A (a known Topoisomerase I inhibitor) was synthesized. In both strategies, intramolecular cycloaddition reactions are the key step. The target compounds were obtained in good yields by mild catalytic transfer hydrogenation of the corresponding nitro precursors. In-vitro evaluation of the antiproliferative activity towards human tumor cell lines revealed the 4-amino compound (

Indexed as

AlkaloidsAntineoplastic AgentsCell Cycle CheckpointsCell Line, TumorCell SurvivalChemistry Techniques, SyntheticHumansMagnetic Resonance SpectroscopyMolecular StructurePyrrolesQuinonesSpectrometry, Mass, Electrospray IonizationStructure-Activity RelationshipTopoisomerase I InhibitorsAlkaloidsAntineoplastic Agentsluotonin APyrrolesQuinonesTopoisomerase I Inhibitorscatalytic transfer hydrogenationcycloadditioncytotoxic activityLuotonin AquinazolinequinolineTopoisomerase I

Identifiers

PMID30781470
PMCPMC6412769
OpenAlexW2914463521

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.