Lot numbers can be found on the outside label of a product:
6,6-dimethylpiperidine-2,4-dione
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CAS No. 5239-39-4
- Cat. No. CS-W004228
- Purity≥95%
- MDL No.MFCD12547670
*For research and further manufacturing use only, not for direct human use.
Structure of 5239-39-4
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General Information
- CAS No. 5239-39-4
- Cat. No. CS-W004228
- Purity ≥95%
- MDL No. MFCD12547670
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₇H₁₁NO₂
- Molecular Weight 141.17
- Synonym(s) 6,6-dimethyl-piperidine-2,5-dione
- SMILES O=C1CC(=O)NC(C1)(C)C
Description
6,6-dimethylpiperidine-2,4-dione features a sterically hindered diketone core that enhances stability and modulates reactivity. This bench-stable scaffold integrates readily into synthetic sequences requiring electron-deficient heterocyclic motifs. Its dual carbonyl functionality supports diverse transformations in medicinal chemistry and materials development.
Application
6,6-Dimethylpiperidine-2,4-dione serves as a versatile building block in medicinal chemistry, enabling efficient access to saturated heterocyclic scaffolds via standard enolate chemistry and nucleophilic addition reactions. Its diketone functionality supports controlled functionalization at C2 and C4, while the gem-dimethyl substitution enhances metabolic stability and modulates lipophilicity. The compound exhibits excellent bench stability and facilitates straightforward purification, making it well-suited for iterative synthesis campaigns in API development.
Synthesis
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Route1
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In-stock
845267-63-2 - ~58%
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In-stock
5239-39-4
References
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UCB PHARMA S.A. Patent: WO2009/71888 A1, 2009 ; Location in patent: Page/Page column 71-72 ; WO 2009/071888 A1
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Route2
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In-stock
845267-64-3 - ~84%
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In-stock
5239-39-4
References
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PHARMACIA and ITALIA S.p.A. Patent: WO2005/14572 A1, 2005 ; Location in patent: Page/Page column 28 ; WO 2005/014572 A1
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Route3
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In-stock
845267-63-2
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141-52-6 - ~%
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In-stock
5239-39-4
References
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UCB PHARMA S.A. Patent: WO2009/71895 A1, 2009 ; Location in patent: Page/Page column 94-95 ; WO 2009/071895 A1
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Safety Information
Download SDS|
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
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Precautionary Statements : P264-P270-P280-P302+P352-P330-P362+P364-P501
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Quality Control
Computational Chemistry Data
- TPSA 46.17
- LogP 0.2441
- H_Acceptors 2
- H_Donors 1
- Rotatable_Bonds 0
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Key Words
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