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Structure of 77123-56-9
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3-Ethynylbenzaldehyde features a terminal alkyne group conjugated to an aldehyde moiety, enabling efficient copper-catalyzed coupling reactions. This bifunctional architecture supports modular synthesis in click chemistry and materials development, offering high reactivity under mild conditions with excellent functional group tolerance.
3-Ethynylbenzaldehyde serves as a versatile building block in transition-metal-catalyzed coupling reactions, enabling efficient access to conjugated enynes and extended π-systems. Its aldehyde functionality supports sequential transformations including Wittig reactions, nucleophilic additions, and reductive amination, while the terminal alkyne exhibits high compatibility with Sonogashira and click chemistry protocols. Bench-stable and readily purified by column chromatography, it functions effectively in multi-step syntheses of functionalized aromatic scaffolds and heterocyclic systems relevant to medicinal chemistry and materials science.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H317-H319-H412
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Precautionary Statements : P261-P264-P270-P272-P273-P280-P302+P352-P330-P362+P364-P501
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Lot numbers can be found on the outside label of a product: