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Structure of 263368-72-5
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(4-Ethynylphenyl)boronic acid features a terminal alkyne group conjugated to a boronic acid moiety, enabling efficient copper-catalyzed coupling reactions. This bifunctional scaffold integrates seamlessly into complex molecular architectures, offering high stability under standard conditions and compatibility with diverse synthetic workflows.
(4-Ethynylphenyl)boronic acid serves as a versatile building block in Suzuki-Miyaura coupling reactions, enabling efficient construction of conjugated biaryls and extended π-systems. Its ethynyl group offers orthogonal reactivity for further functionalization via copper-catalyzed azide-alkyne cycloaddition (CuAAC), while the boronic acid moiety ensures compatibility with mild aqueous conditions and broad functional group tolerance. The compound exhibits excellent bench stability and is readily purified by recrystallization, making it ideal for iterative synthesis workflows in 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-H319
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: