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Structure of 2409-87-2
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Methyl (E)-penta-2,4-dienoate is a conjugated dienoate ester featuring a planar (E)-configured double bond system. This configuration imparts enhanced stability and predictable reactivity in Diels-Alder cycloadditions. The methyl ester group enables straightforward derivatization, while the extended π-conjugation supports efficient participation in photochemical and thermal pericyclic processes.
Methyl (E)-penta-2,4-dienoate serves as a versatile diene building block in Diels-Alder reactions and conjugate additions, enabling efficient access to functionalized cyclohexene and γ-alkylated carbonyl scaffolds. Its stable (E)-configuration and terminal alkene functionality facilitate predictable reactivity in standard synthetic workflows. The ester group provides a handle for further derivatization while maintaining excellent bench stability and ease of purification.
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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 : H225-H315-H319-H335
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Precautionary Statements : P210-P233-P240-P241-P242-P243-P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P370+P378-P405-P501
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Lot numbers can be found on the outside label of a product: