2,2-Dimethyl-1,3-dioxan-5-one

Name: 2,2-Dimethyl-1,3-dioxan-5-one
Brand: ChemScene
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CAS No. 74181-34-3
Cat. No. CS-W006362
Purity≥96%
MDL No.MFCD00671514

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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2,2-Dimethyl-1,3-dioxan-5-one|CS-W006362

Structure of 74181-34-3

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Description

This cyclic β-ketoester features a sterically hindered dimethyl substitution at the 2-position, enhancing stability and reducing unwanted side reactions. The 1,3-dioxan-5-one core provides a rigid, electron-deficient framework ideal for Diels-Alder cycloadditions and as a masked acyl equivalent in synthetic transformations.

Application

2,2-Dimethyl-1,3-dioxan-5-one serves as a stable, bench-ready synthon for the construction of complex carbocycles and heterocyclic frameworks. Its α,α-dimethyl substitution enhances kinetic stability while maintaining reactivity toward nucleophiles, enabling regioselective ring-opening reactions. Functions effectively in Grignard additions and reductions, providing access to substituted tetrahydrofurans and diol derivatives with predictable stereochemistry. Ideal for iterative synthesis workflows requiring robust, functional group-tolerant intermediates.

General Information

CAS No. 74181-34-3
Cat. No. CS-W006362
Purity ≥96%
MDL No. MFCD00671514
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₁₀O₃
Molecular Weight 130.14
Synonym(s) 2,2-DIMETHYL-1,3-DIOXANE-5-ONE
SMILES O=C1COC(C)(C)OC1

Computational Chemistry Data

TPSA 35.53
LogP 0.3384
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Safety Information

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GHS Pictogram :	GHS No : GHS02
Signal Word : Danger	UN#: 1993
Class : 3	Packing Group : Ⅲ
Hazard Statements : H225
Precautionary Statements : P210-P233-P240-P241-P242-P243-P280-P370+P378-P501

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2,2-Dimethyl-1,3-dioxan-5-one

CAS No. 74181-34-3

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