Evidence map›Paper›PMID 23519260›Full record

ArticleMolecules (Basel, Switzerland)2012

Synthesis and in vitro antioxidant activity evaluation of 3-carboxycoumarin derivatives and QSAR study of their DPPH• radical scavenging activity.

Francisco J Martínez-Martínez, Rodrigo Said Razo-Hernández, Ana Lilia Peraza-Campos, Manuel Villanueva-García, Maria Teresa Sumaya-Martínez, Daniel Jaramillo Cano, Zeferino Gómez-Sandoval

Abstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 citing papers in PubMed.

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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.

Francisco J Martínez-MartínezFacultad de Ciencias Químicas, Universidad de Colima, kilómetro 9 carretera Colima-Coquimatlán, Col, México CP 28400, Mexico. fjmartin@ucol.mx
Rodrigo Said Razo-Hernández
Ana Lilia Peraza-Campos
Manuel Villanueva-García
Maria Teresa Sumaya-Martínez
Daniel Jaramillo Cano
Zeferino Gómez-Sandoval

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The in vitro antioxidant activities of eight 3-carboxycoumarin derivatives were assayed by the quantitative 1,1-diphenyl-2-picrylhydrazil (DPPH•) radical scavenging activity method. 3-Acetyl-6-hydroxy-2H-1-benzopyran-2-one (C1) and ethyl 6-hydroxy-2-oxo-2H-1-benzopyran-3-carboxylate (C2) presented the best radical-scavenging activity. A quantitative structure-activity relationship (QSAR) study was performed and correlated with the experimental DPPH• scavenging data. We used structural, geometrical, topological and quantum-chemical descriptors selected with Genetic Algorithms in order to determine which of these parameters are responsible of the observed DPPH• radical scavenging activity. We constructed a back propagation neural network with the hydrophilic factor (Hy) descriptor to generate an adequate architecture of neurons for the system description. The mathematical model showed a multiple determination coefficient of 0.9196 and a root mean squared error of 0.0851. Our results shows that the presence of hydroxyl groups on the ring structure of 3-carboxy-coumarins are correlated with the observed DPPH• radical scavenging activity effects.

Indexed as

AlgorithmsBenzopyransBiphenyl CompoundsComputational BiologyCoumarinsFree Radical ScavengersModels, TheoreticalPicratesQuantitative Structure-Activity Relationship1,1-diphenyl-2-picrylhydrazyl3-acetyl-6-hydroxy-2H-1-benzopyran-2-one6-hydroxy-2-oxo-2H-1-benzopyran-3-carboxylateBenzopyransBiphenyl CompoundsCoumarinsFree Radical ScavengersPicrates

Identifiers

PMID23519260
PMCPMC6268866

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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.