Evidence map›Paper›PMID 24402801›Full record

ArticleAngewandte Chemie (International ed. in English)2014

Efficient amide bond formation through a rapid and strong activation of carboxylic acids in a microflow reactor.

Shinichiro Fuse, Yuto Mifune, Takashi Takahashi

Abstract read
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

  1. Article
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  4. Article
  5. Chemical Wastes in the Peptide Synthesis Process and Ways to Reduce Them.Iranian journal of pharmaceutical research : IJPR · 2022
    Review
  6. Article
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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

3 authors.

Shinichiro FuseDepartment of Applied Chemistry, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8552 (Japan) http://www.apc.titech.ac.jp/∼htanaka/index.html. sfuse@apc.titech.ac.jp.
Yuto Mifune
Takashi Takahashi

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The development of highly efficient amide bond forming methods which are devoid of side reactions, including epimerization, is important, and such a method is described herein and is based on the concept of rapid and strong activation of carboxylic acids. Various carboxylic acids are rapidly (0.5 s) converted into highly active species, derived from the inexpensive and less-toxic solid triphosgene, and then rapidly (4.3 s) reacted with various amines to afford the desired peptides in high yields (74%-quant.) without significant epimerization (≤3%). Our process can be carried out at ambient temperature, and only CO2 and HCl salts of diisopropylethyl amine are generated. In the long history of peptide synthesis, a significant number of active coupling reagents have been abandoned because the highly active electrophilic species generated are usually susceptible to side reactions such as epimerization. The concept presented herein should renew interest in the use of these reagents.

Indexed as

AmidesAmino AcidsCarboxylic AcidsPeptidesPhosgeneSolventsStereoisomerismAmidesAmino Acidsbis(trichloromethyl) carbonateCarboxylic AcidsPeptidesPhosgeneSolventsamidesamino acidscontinuous flownatural productspeptides

Identifiers

PMID24402801
PMCPMC4499250

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.