ArticleAngewandte Chemie (International ed. in English)2026
Synthesis of Conjugated Linear and Cyclic Polyynes by Selective Alkyne Metathesis.
Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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1 citing paper in PubMed.
- Controlled Formation and Unusual Reactivity of Cyanohexatriyne (HCChemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
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13 authors.
Funding
Abstract
The formation of polyynes with an odd number of conjugated triple bonds is synthetically demanding, particularly for complex architectures, since most established methods rely on irreversible C-C bond-forming reactions and operate under kinetic control. To address this problem, we have developed the synthesis of triynes via molybdenum-catalyzed alkyne metathesis of diynes, which allows thermodynamic control through reversible cleavage and formation of carbon-carbon triple bonds. We demonstrate the potential of this method through the synthesis of challenging, more complex products, including triyne precursors to [7]cumulenes, a pentayne, a heptayne, and dehydrobenzannulene macrocycles containing triynes. The key to the success of the proposed methodology is achieving a balance between the selectivity and reactivity of the molybdenum catalyst with the diyne precursors.
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