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Structure of 23326-27-4
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Methyl but-2-ynoate features a terminal alkyne group flanked by an ester moiety, enabling efficient coupling reactions in transition-metal-catalyzed processes. This conjugated system supports robust reactivity in Sonogashira and click chemistry applications. The molecule exhibits excellent stability under standard conditions and facilitates straightforward incorporation into complex molecular architectures.
Methyl but-2-ynoate serves as a versatile building block in synthetic organic chemistry, enabling efficient access to substituted pyrones and heterocycles via [2+2] cycloadditions and nucleophilic additions. Its terminal alkyne functionality exhibits high compatibility with copper-catalyzed click reactions and palladium-mediated coupling protocols. The ester group supports controlled hydrolysis and derivatization, while the molecule demonstrates excellent bench stability and straightforward purification by distillation or flash chromatography.
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GHS Pictogram :
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GHS No : GHS02,GHS07
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Signal Word : Danger
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UN#: 3272
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Class : 3
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Packing Group : Ⅲ
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Hazard Statements : H226-H315-H319
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Precautionary Statements : P210-P233-P240-P241-P242-P243-P264-P280-P302+P352-P362-P370+P378-P501
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Lot numbers can be found on the outside label of a product: