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Structure of 13168-99-5
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(E)-Methyl 4-methoxybut-2-enoate features a conjugated enoate system with a terminal methyl ester and a para-methoxy substituent, enabling efficient participation in Diels-Alder cycloadditions and Michael additions. This bench-stable, moisture-tolerant reagent integrates readily into synthetic sequences requiring electron-deficient dienophiles or nucleophilic acceptors.
(E)-Methyl 4-methoxybut-2-enoate serves as a versatile Michael acceptor and enol ether building block in synthetic organic chemistry. Its conjugated enoate system enables reliable 1,4-additions with nucleophiles, while the methyl ester and methoxy group offer orthogonal handles for further functionalization. The compound exhibits excellent bench stability and facilitates straightforward purification, making it well-suited for multi-step synthesis of complex carbonyl-containing architectures and heterocyclic scaffolds.
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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-P240-P241-P242-P243-P261-P264-P271-P280-P302+P352-P304+P340-P362-P370+P378-P405-P501
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Lot numbers can be found on the outside label of a product: