Evidence map›Paper›PMID 31931448›Full record

ArticlePhytochemistry2020

New tricks for old dogs: Two new macrocyclic trichothecene epimers and absolute configuration of 16-hydroxyverrucarin B.

Diana Kao, Laura Flores-Bocanegra, Huzefa A Raja, Blaise A Darveaux, Cedric J Pearce, Nicholas H Oberlies

Abstract read
In one paragraph

Article in Phytochemistry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Review
  2. The Chemistry of Kratom [Journal of natural products · 2020
    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

6 authors.

Diana KaoDepartment of Chemistry Biochemistry, University of North Carolina at Greensboro, P.O. Box 26170, Greensboro, NC, 27402, United States.
Laura Flores-BocanegraDepartment of Chemistry Biochemistry, University of North Carolina at Greensboro, P.O. Box 26170, Greensboro, NC, 27402, United States.
Huzefa A RajaDepartment of Chemistry Biochemistry, University of North Carolina at Greensboro, P.O. Box 26170, Greensboro, NC, 27402, United States.
Blaise A DarveauxMycosynthetix, Inc., 505 Meadowlands Drive, Suite 103, Hillsborough, NC, 27278, United States.
Cedric J PearceMycosynthetix, Inc., 505 Meadowlands Drive, Suite 103, Hillsborough, NC, 27278, United States.
Nicholas H OberliesDepartment of Chemistry Biochemistry, University of North Carolina at Greensboro, P.O. Box 26170, Greensboro, NC, 27402, United States. Electronic address: nicholas_oberlies@uncg.edu.

Funding

Project 3:Isolation Chemistry of Filamentous Fungi and Biological EvaluationP01CA125066 · NCI · OHIO STATE UNIVERSITY · PI Alan Douglas Kinghorn · 2007 to 2026
$27.2M
Pursuing Antivirulence of MRSA in Penicillium sp. with droplet surface-sampling-liquid microjunction-probeF31AT009264 · NCCIH · UNIVERSITY OF NORTH CAROLINA GREENSBORO · PI KAO, DIANA · 2016 to 2018
$92k
NCCIH NIH HHS F31 AT009264NCI NIH HHS P01 CA125066
6 · The paper itself

Abstract

Two new compounds, 3'-epi-16-hydroxyverrucarin A and 3'-epiverrucarin X, have been isolated and identified, and the characterization data of a series of known trichothecenes have been refined. The interesting structure and potent biological activities of macrocyclic trichothecenes have been of interest to the scientific community for several decades. However, some of the characterization data for the older analogues of this class are not well documented, either because of a lack of absolute configuration or a lack of clarity in the NMR data, largely due to technological limitations at the time they were discovered. NMR techniques, application of Mosher's esters analysis, and electronic circular dichroism were used here both to refine the characterization of known trichothecenes, as well as to uncover new structures. These studies demonstrate strategies that can be used to interrogate the characterization data of well-known secondary metabolites, thereby gaining greater insight into methods that can be used to refine previous literature.

Indexed as

TrichothecenesCircular DichroismMagnetic Resonance SpectroscopyTrichothecenes(13)C(1)HCircular dichroismFungal metaboliteMacrocyclic trichotheceneNMRVerrucarin

Identifiers

PMID31931448
PMCPMC7050405

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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.