Potassium 2-methoxy-2-oxoacetate

Name: Potassium 2-methoxy-2-oxoacetate
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CAS No. 10304-09-3
Cat. No. CS-0150929
Molecule weight142.15
Purity≥97%
MDL No.MFCD20922789

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Potassium 2-methoxy-2-oxoacetate|CS-0150929

Structure of 10304-09-3

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General Information

CAS No. 10304-09-3
Cat. No. CS-0150929
Purity ≥97%
MDL No. MFCD20922789
Storage Store at room temperature, keep dry and cool
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₃H₃KO₄
Molecular Weight 142.15
Synonym(s) Methyl potassium oxalate
SMILES [K].O=C(O)C(=O)OC

Description

Potassium 2-methoxy-2-oxoacetate delivers a reactive enolate equivalent for C–C bond formation, featuring enhanced solubility in polar solvents and stability under ambient conditions. This bench-stable reagent enables efficient aldol-type reactions without requiring cryogenic temperatures, streamlining synthetic access to β-hydroxy esters and related building blocks in complex molecule assembly.

Application

Potassium 2-methoxy-2-oxoacetate serves as a reliable synthon for α-alkoxy-α-keto ester derivatives, enabling efficient access to key intermediates in heterocyclic synthesis and carbonylative transformations. Its bench-stable solid form facilitates handling and purification, while the methoxy-substituted acetyl group exhibits predictable reactivity in nucleophilic addition and condensation reactions. Functions effectively in standard organic workflows requiring controlled enolization or Michael acceptor behavior.

Synthesis

Route1
- 553-90-2
- ~99%
- In-stock
  
  10304-09-3
References
- GUILFORD PHARMACEUTICALS INC. Patent: WO2005/53609 A2, 2005 ; Location in patent: Page/Page column 25-26 ; WO 2005/053609 A2

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS06
Signal Word : Danger	UN#: 2811
Class : 6.1	Packing Group : Ⅲ
Hazard Statements : H319-H334
Precautionary Statements : P261-P264-P280-P285-P501

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Computational Chemistry Data

TPSA 63.6
LogP -1.4045
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 0

Other Classifications

General Reagents Elements and their salts Potassium Salt

Inorganic Chemistry Metallic Salts Acetate Salts

Key Words

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Potassium 2-methoxy-2-oxoacetate

CAS No. 10304-09-3

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