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Structure of 7251-53-8
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Ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate serves as a versatile scaffold for constructing heterocyclic frameworks. The conjugated enone system enables efficient Michael additions and cyclocondensations. This bench-stable reagent integrates readily into synthetic sequences requiring nitrogen-rich, electron-deficient intermediates.
Ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate serves as a versatile scaffold for constructing pyrazole-based heterocycles, enabling efficient access to medicinally relevant frameworks. Its enolizable ketone and ester functionalities support diverse transformations, including nucleophilic additions, condensations, and transition-metal-catalyzed couplings. The compound exhibits good bench stability and facilitates straightforward purification, making it well-suited for iterative synthesis in medicinal chemistry and process development workflows.
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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-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: