Evidence map›Paper›PMID 33753917›Full record

ArticleNature chemistry2021

Nitrene-mediated intermolecular N-N coupling for efficient synthesis of hydrazides.

Hao Wang, Hoimin Jung, Fangfang Song, Shiyang Zhu, Ziqian Bai, Danye Chen, Gang He, Sukbok Chang, Gong Chen

Abstract read
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In one paragraph

Article in Nature chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
11.3field-weighted citation impact, top 1% 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

31 citing papers in PubMed, 151 citations in OpenAlex.

  1. Article
  2. Article
  3. Photochemical Cascade Nitrile Activation via a Carbene-Nitrene Relay.Angewandte Chemie (International ed. in English) · 2026
    Article
  4. Article
  5. Photoactive Iminobismuthanes for Catalytic C-H Amination.Journal of the American Chemical Society · 2026
    Article
  6. Article
  7. Article
  8. Article
  9. Electrochemical Synthesis of Methoxy-Molecules (Basel, Switzerland) · 2025
    Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Electrochemical N-N Oxidatively Coupled Dehydrogenation of 3,5-Diamino-1Journal of the American Chemical Society · 2025
    Article
  15. Review
  16. Sustainable electrochemical synthesis of aliphatic nitro-Beilstein journal of organic chemistry · 2025
    Article
  17. Article
  18. Ammonium Dinitramide as a Prospective N-NOMolecules (Basel, Switzerland) · 2024
    Article
  19. Article
  20. 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 at 2 institutions in 2 countries.

Hao WangState Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.ORCID http://orcid.org/0000-0002-3831-2988
Hoimin JungDepartment of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.ORCID http://orcid.org/0000-0002-3026-6577
Fangfang SongState Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.ORCID http://orcid.org/0000-0002-3146-548X
Shiyang ZhuState Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.ORCID http://orcid.org/0000-0002-9751-2103
Ziqian BaiState Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.ORCID http://orcid.org/0000-0002-3623-7750
Danye ChenState Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.ORCID http://orcid.org/0000-0002-0879-3274
Gang HeState Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.ORCID http://orcid.org/0000-0002-9064-3418
Sukbok ChangDepartment of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea. sbchang@kaist.ac.kr.ORCID http://orcid.org/0000-0001-9069-0946
Gong ChenState Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China. gongchen@nankai.edu.cn.ORCID http://orcid.org/0000-0002-5067-9889
Nankai University · CNKorea Advanced Institute of Science and Technology · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

N-N linkages are found in many natural compounds and endow fascinating structural and functional properties. In comparison to the myriad methods for the construction of C-N bonds, chemistry for N-N coupling, especially in an intermolecular fashion, remains underdeveloped. Here, we report a nitrene-mediated intermolecular N-N coupling of dioxazolones and arylamines under iridium or iron catalysis. These reactions offer a simple and efficient method for the synthesis of various hydrazides from readily available carboxylic acid and amine precursors. Although the Ir-catalysed conditions usually give higher N-N coupling yield than the Fe-catalysed conditions, the reactions of sterically more demanding dioxazolones derived from α-substituted carboxylic acids work much better under the Fe-catalysed conditions. Mechanistic studies revealed that the nitrogen atom of Ir acyl nitrene intermediates has strong electrophilicity and can undergo nucleophilic attack with arylamines with the assistance of Cl···HN hydrogen bonding to form the N-N bond with high efficiency and chemoselectivity.

Identifiers

PMID33753917
OpenAlexW3137494186

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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.