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Structure of 3788-94-1
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Ethyl 2-(ethoxymethylene)-3-oxobutyrate is a versatile β-keto ester derivative featuring a conjugated enol ether system. This structure enables efficient Michael additions and Claisen condensations under mild conditions, delivering complex carbonyl architectures with high regiocontrol. The ethoxymethylene group enhances reactivity while maintaining bench-stable handling characteristics.
Ethyl 2-(ethoxymethylene)-3-oxobutyrate serves as a versatile β-keto ester building block in synthetic organic chemistry, enabling efficient construction of substituted pyran and furan heterocycles. Its well-defined reactivity facilitates aldol-type condensations and Michael additions, while the ethoxymethylene group supports facile functionalization via Knoevenagel or Claisen-type reactions. Bench-stable and amenable to straightforward purification, it functions reliably in multi-step syntheses requiring controlled carbon-carbon bond formation.
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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-H315-H319-H335
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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: