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Structure of 119124-53-7
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3-Methyldihydro-2H-pyran-4(3H)-one is a bench-stable, moisture-tolerant heterocyclic ketone featuring a conjugated enone system. This cyclic β-keto ester analog integrates readily into complex molecular architectures, serving as a key building block in synthetic routes to natural product analogs and bioactive scaffolds.
3-Methyldihydro-2H-pyran-4(3H)-one serves as a versatile synthetic building block for oxygenated heterocycles, enabling efficient access to bioactive scaffolds through established ring-opening and conjugate addition reactions. Its α,β-unsaturated γ-lactone functionality exhibits predictable reactivity in nucleophilic additions and transition-metal-catalyzed transformations, offering high functional group tolerance and bench stability for use 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: