Evidence map›Paper›PMID 29619201›Full record

ArticleChemical science2018

Unequivocal determination of caulamidines A and B: application and validation of new tools in the structure elucidation tool box.

Dennis J Milanowski, Naoya Oku, Laura K Cartner, Heidi R Bokesch, R Thomas Williamson, Josep Saurí, Yizhou Liu, Kirill A Blinov, Yuanqing Ding, Xing-Cong Li and 8 more

Open access · diamondAbstract read
In one paragraph

Article in Chemical science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
6.9field-weighted citation impact, top 2% 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

25 citing papers in PubMed, 69 citations in OpenAlex.

  1. Review
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  3. Review
  4. Article
  5. Naturally Occurring Organohalogen Compounds-A Comprehensive Review.Progress in the chemistry of organic natural products · 2023
    Review
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  8. Review
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  14. Review
  15. Article
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  17. Article
  18. Natural Products as a Foundation for Drug Discovery.Current protocols in pharmacology · 2019
    Review
  19. Review
  20. 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

18 authors at 7 institutions in 5 countries.

Dennis J MilanowskiMolecular Targets Laboratory , Center for Cancer Research , National Cancer Institute , Frederick , Maryland 21702-1201 , USA . Email: gustafki@mail.nih.gov.ORCID 0000-0002-4529-9216
Naoya OkuMolecular Targets Laboratory , Center for Cancer Research , National Cancer Institute , Frederick , Maryland 21702-1201 , USA . Email: gustafki@mail.nih.gov.ORCID 0000-0002-2171-2168
Laura K CartnerMolecular Targets Laboratory , Center for Cancer Research , National Cancer Institute , Frederick , Maryland 21702-1201 , USA . Email: gustafki@mail.nih.gov.ORCID 0000-0002-7150-632X
Heidi R BokeschMolecular Targets Laboratory , Center for Cancer Research , National Cancer Institute , Frederick , Maryland 21702-1201 , USA . Email: gustafki@mail.nih.gov.ORCID 0000-0003-4882-3316
R Thomas WilliamsonStructure Elucidation Group, Process and Analytical Research and Development , Merck & Co. Inc. , Rahway , New Jersey 07065 , USA . Email: gary.martin2@merck.com.ORCID 0000-0001-7450-3135
Josep SauríStructure Elucidation Group, Process and Analytical Research and Development , Merck & Co. Inc. , Rahway , New Jersey 07065 , USA . Email: gary.martin2@merck.com.ORCID 0000-0002-2706-2426
Yizhou LiuStructure Elucidation Group, Process and Analytical Research and Development , Merck & Co. Inc. , Rahway , New Jersey 07065 , USA . Email: gary.martin2@merck.com.ORCID 0000-0003-3724-6541
Kirill A BlinovMolecule Apps , LLC , Corvallis , Oregon 97330 , USA.ORCID 0000-0001-6276-9294
Yuanqing DingNational Center for Natural Products Research , Department of BioMolecular Sciences , Division of Pharmacognosy , School of Pharmacy , University of Mississippi , Oxford , Mississippi 38655 , USA.
Xing-Cong LiNational Center for Natural Products Research , Department of BioMolecular Sciences , Division of Pharmacognosy , School of Pharmacy , University of Mississippi , Oxford , Mississippi 38655 , USA.ORCID 0000-0002-1857-9896
Daneel FerreiraNational Center for Natural Products Research , Department of BioMolecular Sciences , Division of Pharmacognosy , School of Pharmacy , University of Mississippi , Oxford , Mississippi 38655 , USA.ORCID 0000-0002-9375-7920
Larry A WalkerNational Center for Natural Products Research , Department of BioMolecular Sciences , Division of Pharmacognosy , School of Pharmacy , University of Mississippi , Oxford , Mississippi 38655 , USA.ORCID 0000-0002-0683-2209
Shabana KhanNational Center for Natural Products Research , Department of BioMolecular Sciences , Division of Pharmacognosy , School of Pharmacy , University of Mississippi , Oxford , Mississippi 38655 , USA.
Michael T Davies-ColemanDepartment of Chemistry , Rhodes University , Grahamstown , South Africa.ORCID 0000-0001-5344-894X
James A KelleyChemical Biology Laboratory , Center for Cancer Research , National Cancer Institute , Frederick , Maryland 21702-1201 , USA.
James B McMahonMolecular Targets Laboratory , Center for Cancer Research , National Cancer Institute , Frederick , Maryland 21702-1201 , USA . Email: gustafki@mail.nih.gov.
Gary E MartinStructure Elucidation Group, Process and Analytical Research and Development , Merck & Co. Inc. , Rahway , New Jersey 07065 , USA . Email: gary.martin2@merck.com.ORCID 0000-0003-0750-3041
Kirk R GustafsonMolecular Targets Laboratory , Center for Cancer Research , National Cancer Institute , Frederick , Maryland 21702-1201 , USA . Email: gustafki@mail.nih.gov.ORCID 0000-0001-6821-4943
University of Mississippi · USMerck & Co., Inc., Rahway, NJ, USA (United States) · USTarget (United States) · USLeidos (United States) · USApple (Israel) · ILFrederick Community College · USRhodes University · ZA

Funding

Natural Products Discovery and Characterization Through Network CollaborationsZIABC011568 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI DU, LIN · 2014 to 2025
$17.2M
6 · The paper itself

Abstract

Ambiguities and errors in the structural assignment of organic molecules hinder both drug discovery and total synthesis efforts. Newly described NMR experimental approaches can provide valuable structural details and a complementary means of structure verification. The caulamidines are trihalogenated alkaloids from a marine bryozoan with an unprecedented structural scaffold. Their unique carbon and nitrogen framework was deduced by conventional NMR methods supplemented by new experiments that define 2-bond heteronuclear connectivities, reveal very long-range connectivity data, or visualize the

Identifiers

PMID29619201
PMCPMC5868047
OpenAlexW2767842286

What OpenQuestion holds

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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.