Evidence map›Paper›PMID 34163847›Full record

ArticleChemical science2021

Enantioselective Michael addition to vinyl phosphonates

Mikk Kaasik, Jevgenija Martõnova, Kristin Erkman, Andrus Metsala, Ivar Järving, Tõnis Kanger

Open access · diamondAbstract read
In one paragraph

Article in Chemical science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
2.5field-weighted citation impact, top 10% 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

7 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Highly Enantioselective Organocatalysis with Bidentate Halogen Bond Donors.Angewandte Chemie (International ed. in English) · 2025
    Article
  3. Article
  4. Article
  5. Article
  6. Stereoselective Processes Based on σ-Hole Interactions.Molecules (Basel, Switzerland) · 2022
    Review
  7. N-Heterocyclic Iod(az)olium Salts - Potent Halogen-Bond Donors in Organocatalysis.Chemistry (Weinheim an der Bergstrasse, Germany) · 2021
    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 at 1 institution in 1 country.

Mikk KaasikDepartment of Chemistry and Biotechnology, Tallinn University of Technology Akadeemia tee 15 12618 Tallinn Estonia tonis.kanger@taltech.ee.
Jevgenija MartõnovaDepartment of Chemistry and Biotechnology, Tallinn University of Technology Akadeemia tee 15 12618 Tallinn Estonia tonis.kanger@taltech.ee.
Kristin ErkmanDepartment of Chemistry and Biotechnology, Tallinn University of Technology Akadeemia tee 15 12618 Tallinn Estonia tonis.kanger@taltech.ee.
Andrus MetsalaDepartment of Chemistry and Biotechnology, Tallinn University of Technology Akadeemia tee 15 12618 Tallinn Estonia tonis.kanger@taltech.ee.
Ivar JärvingDepartment of Chemistry and Biotechnology, Tallinn University of Technology Akadeemia tee 15 12618 Tallinn Estonia tonis.kanger@taltech.ee.
Tõnis KangerDepartment of Chemistry and Biotechnology, Tallinn University of Technology Akadeemia tee 15 12618 Tallinn Estonia tonis.kanger@taltech.ee.ORCID https://orcid.org/0000-0001-5339-9682
Tallinn University of Technology · EE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

An asymmetric Michael addition of malononitrile to vinyl phosphonates was accomplished by hydrogen bond-enhanced bifunctional halogen bond (XB) catalysis. NMR titration experiments were used to demonstrate that halogen bonding, with the support of hydrogen-bonding, played a key role in the activation of the Michael acceptors through the phosphonate group. This is the first example of the use of XBs for the activation of organophosphorus compounds in synthesis. In addition, the iodo-perfluorophenyl group proved to be a better directing unit than different iodo- and nitro-substituted phenyl groups. The developed approach afforded products with up to excellent yields and diastereoselectivities and up to good enantioselectivities.

Identifiers

PMID34163847
PMCPMC8171314
OpenAlexW3158931828

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.