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Demonstrates the effective synthesis of propargylamines using tetraalkynyl magnesium ate complexes, suggesting new pathways for N-heterocycles.
Alkynylation of N -aryl imines, a relatively underexplored reaction, proceeds efficiently in the presence of tetraalkynyl magnesium ate complexes and BF 3 ·OEt 2, affording the corresponding propargylamines in good yields. The resulting propargylamine can be further converted into N -heterocycles.
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Arai et al. (2026) studied this question.
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