Evidence map›Paper›PMID 37884638›Full record

ArticleCommunications chemistry2023

Practical N-to-C peptide synthesis with minimal protecting groups.

Toshifumi Tatsumi, Koki Sasamoto, Takuya Matsumoto, Ryo Hirano, Kazuki Oikawa, Masato Nakano, Masaru Yoshida, Kounosuke Oisaki, Motomu Kanai

Abstract read
In one paragraph

Article in Communications chemistry, 2023. 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. Review
  3. Article
  4. Article
  5. An Update: Enzymatic Synthesis for Industrial Applications.Angewandte Chemie (International ed. in English) · 2025
    Review
  6. N- to C-Peptide Synthesis, Arguably the Future for Sustainable Production.Journal of peptide science : an official publication of the European Peptide Society · 2025
    Review
  7. Article
  8. Article
  9. Anion-Binding Properties of Short Linear Homopeptides.International journal of molecular sciences · 2024
    Article
  10. Ynamide Coupling Reagents: Origin and Advances.Accounts of chemical research · 2024
    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

9 authors.

Toshifumi TatsumiGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
Koki SasamotoGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
Takuya MatsumotoGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.ORCID http://orcid.org/0000-0003-4689-5770
Ryo HiranoGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
Kazuki OikawaGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
Masato NakanoInterdisciplinary Research Center for Catalytic Chemistry (IRC3), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5-2, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan.
Masaru YoshidaInterdisciplinary Research Center for Catalytic Chemistry (IRC3), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5-2, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan.
Kounosuke OisakiGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan. k.oisaki@aist.go.jp.ORCID http://orcid.org/0000-0002-0499-8168
Motomu KanaiGraduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan. kanai@mol.f.u-tokyo.ac.jp.ORCID http://orcid.org/0000-0003-1977-7648

Funding

MEXT | Japan Society for the Promotion of Science (JSPS) JP2101365MEXT | Japan Society for the Promotion of Science (JSPS) JP21H05077MEXT | Japan Society for the Promotion of Science (JSPS) JP23H05466 and 23H04909
6 · The paper itself

Abstract

Accessible drug modalities have continued to increase in number in recent years. Peptides play a central role as pharmaceuticals and biomaterials in these new drug modalities. Although traditional peptide synthesis using chain-elongation from C- to N-terminus is reliable, it produces large quantities of chemical waste derived from protecting groups and condensation reagents, which place a heavy burden on the environment. Here we report an alternative N-to-C elongation strategy utilizing catalytic peptide thioacid formation and oxidative peptide bond formation with main chain-unprotected amino acids under aerobic conditions. This method is applicable to both iterative peptide couplings and convergent fragment couplings without requiring elaborate condensation reagents and protecting group manipulations. A recyclable N-hydroxy pyridone additive effectively suppresses epimerization at the elongating chain. We demonstrate the practicality of this method by showcasing a straightforward synthesis of the nonapeptide DSIP. This method further opens the door to clean and atom-efficient peptide synthesis.

Identifiers

PMID37884638
PMCPMC10603086

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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.