Evidence map›Paper›PMID 34766779›Full record

ArticleOrganic letters2021

Total Synthesis of (-)-Kopsifoline A and (+)-Kopsifoline E.

In-Soo Myeong, Nadide Hazal Avci, Mohammad Movassaghi

Abstract read
In one paragraph

Article in Organic letters, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing 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

10 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Total Synthesis of (-)-Voacinol and (-)-Voacandimine C.Journal of the American Chemical Society · 2022
    Article
  9. Semi-syntheses and interrogation of indole-substitutedOrganic & biomolecular chemistry · 2022
    Article
  10. 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

3 authors.

In-Soo MyeongDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.
Nadide Hazal AvciDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.
Mohammad MovassaghiDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.ORCID 0000-0003-3080-1063

Funding

Development of New Strategies for Chemical Synthesis and Study of Complex Natural ProductsR35GM141963 · NIGMS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI Mohammad Movassaghi · 2021 to 2026
$4.3M
NIGMS NIH HHS R35 GM141963
6 · The paper itself

Abstract

We report the first total synthesis of (-)-kopsifoline A and (+)-kopsifoline E. Our synthetic strategy features a biogenetically inspired regioselective C17-functionalization of a versatile intermediate containing the pentacyclic core of aspidosperma alkaloids. The vinylogous urethane substructure of this intermediate affords (-)-kopsifoline D via C3-C21 bond formation under the Mitsunobu reaction conditions, while it enables selective C17-functionalization en route to (-)-kopsifoline A and (+)-kopsifoline E.

Indexed as

AspidospermaAlkaloidsIndole AlkaloidsMolecular StructureStereoisomerismAlkaloidsIndole Alkaloids

Identifiers

PMID34766779
PMCPMC9048213

What OpenQuestion holds

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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.