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Structure of 1193-20-0
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2-Methyldihydro-2H-pyran-4(3H)-one features a reactive γ-lactone moiety paired with a methyl-substituted dihydropyran ring, enabling direct incorporation into complex molecular architectures. This bench-stable scaffold serves as a key building block for natural product synthesis and bioactive molecule development.
2-Methyldihydro-2H-pyran-4(3H)-one serves as a versatile synthetic intermediate for oxygenated heterocycles, enabling efficient access to substituted pyran rings via standard functional group manipulations. Its enolizable carbonyl and alkene functionalities facilitate Michael additions, aldol reactions, and transition-metal-catalyzed couplings. Bench-stable and amenable to purification by recrystallization or column chromatography, it functions reliably in multi-step synthesis 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: