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Tetraalkynylmagnesium complexes enabled propargylamine synthesis

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Research area:chemistry-materialsinorganic-coordination

What the study found

The study found that alkynylation of N-aryl imines, an underexplored reaction, proceeds efficiently with tetraalkynyl magnesium ate complexes and BF3·OEt2. This gives propargylamines, and the resulting products can be further converted into N-heterocycles, which are ring-shaped compounds containing nitrogen.

Why the authors say this matters

The authors present this as a strategy for propargyl amine synthesis. The findings suggest a useful way to access propargylamines and then convert them into N-heterocycles.

What the researchers tested

The researchers tested the alkynylation of N-aryl imines using tetraalkynyl magnesium ate complexes in the presence of BF3·OEt2. The abstract does not describe additional experimental details.

What worked and what didn't

The reaction worked efficiently and afforded the corresponding propargylamines in good yields. The abstract does not report failed substrates, side reactions, or comparison conditions.

What to keep in mind

The available summary gives only a brief description of the reaction and its outcome. It does not provide detailed scope, limitations, or experimental conditions beyond the use of tetraalkynyl magnesium ate complexes and BF3·OEt2.

Key points

  • Alkynylation of N-aryl imines was reported as an underexplored reaction.
  • Tetraalkynyl magnesium ate complexes and BF3·OEt2 enabled the reaction efficiently.
  • The reaction produced propargylamines in good yields.
  • The resulting propargylamine products could be converted into N-heterocycles.
  • The abstract does not describe detailed limitations or scope.

Disclosure

Research title:
Tetraalkynylmagnesium complexes enabled propargylamine synthesis
Authors:
Yuto Arai, Ryo Kobayashi, Akira Matsumoto, Kenji Sugimoto, Chao Wang, Keiichi Hirano
Institutions:
Kanazawa Medical University, Kanazawa Medical University, Kanazawa Medical University, Kanazawa Medical University, Kanazawa Medical University, Kanazawa University, Kanazawa University, Kanazawa University, Kanazawa University, Kanazawa University, Kyoto Prefectural University
Publication date:
2026-07-06
DOI:
10.1021/acs.orglett.6c02543
OpenAlex record:
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AI provenance: This post was generated by gpt-5.4-mini (OpenAI). The original authors did not write or review this post.

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