Evidence map›Paper›PMID 34671222›Full record

ReviewGreen chemistry : an international journal and green chemistry resource : GC2021

Continuous flow asymmetric synthesis of chiral active pharmaceutical ingredients and their advanced intermediates.

Sándor B Ötvös, C Oliver Kappe

Abstract readReview
In one paragraph

Review in Green chemistry : an international journal and green chemistry resource : GC, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

  1. Review
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  4. Asymmetric phase-transfer catalysis.Nature reviews. Chemistry · 2024
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  17. Photochemical CPhotochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2022
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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

2 authors.

Sándor B ÖtvösInstitute of Chemistry, University of Graz, NAWI Graz Heinrichstrasse 28 A-8010 Graz Austria oliver.kappe@uni-graz.at.ORCID https://orcid.org/0000-0001-6673-1744
C Oliver KappeInstitute of Chemistry, University of Graz, NAWI Graz Heinrichstrasse 28 A-8010 Graz Austria oliver.kappe@uni-graz.at.ORCID https://orcid.org/0000-0003-2983-6007

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Catalytic enantioselective transformations provide well-established and direct access to stereogenic synthons that are broadly distributed among active pharmaceutical ingredients (APIs). These reactions have been demonstrated to benefit considerably from the merits of continuous processing and microreactor technology. Over the past few years, continuous flow enantioselective catalysis has grown into a mature field and has found diverse applications in asymmetric synthesis of pharmaceutically active substances. The present review therefore surveys flow chemistry-based approaches for the synthesis of chiral APIs and their advanced stereogenic intermediates, covering the utilization of biocatalysis, organometallic catalysis and metal-free organocatalysis to introduce asymmetry in continuously operated systems. Single-step processes, interrupted multistep flow syntheses, combined batch/flow processes and uninterrupted one-flow syntheses are discussed herein.

Identifiers

PMID34671222
PMCPMC8447942

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LicenceCC BY
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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.