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10304-09-3

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Basic Information
CAS No.: 10304-09-3
Name: methoxy(oxo)acetic acid
Molecular Structure:
Molecular Structure of 10304-09-3 (methoxy(oxo)acetic acid)
Formula: C3H4 O4 . K
Molecular Weight: 142.153
Synonyms: Ethanedioicacid, monomethyl ester, potassium salt (9CI); Oxalic acid, methyl ester,potassium salt (7CI,8CI); Monomethyl oxalate potassium salt; Potassium methyloxalate
Density: 1.366g/cm3
Boiling Point: 192.9°C at 760 mmHg
Flash Point: 88.9°C
PSA: 63.60000
LogP: -0.75600
Synthetic route
553-90-2

Dimethyl oxalate

10304-09-3

potassium oxalate monomethyl ester

Conditions
ConditionsYield
With potassium acetate In methanol; water at 80℃; for 3h;100%
With potassium acetate In methanol; water at 80℃; for 3h;91%
With potassium acetate In methanol; water at 60℃; for 1h;80%
With potassium acetate In methanol; water at 90℃; for 2h; Reflux;
10304-09-3

potassium oxalate monomethyl ester

β-N-oxalyl-D-α,β-diaminopropionic acid

Conditions
ConditionsYield
Stage #1: (2R)-2,3-diaminopropanoic acid monohydrochloride With lithium hydroxide monohydrate In methanol; water for 1h; Cooling with ice;
Stage #2: potassium oxalate monomethyl ester In methanol; water at 20℃; for 18h; Concentration;
77%
10304-09-3

potassium oxalate monomethyl ester

152404-45-0

4-bromo-<2,3,5,6-2H4>anisole

C9H6(2)H4O3

Conditions
ConditionsYield
With 1,3-bis-(diphenylphosphino)propane; palladium dichloride In 1-methyl-pyrrolidin-2-one at 150℃; for 24h; Inert atmosphere; Schlenk technique;75%
894-08-6

triphenylplumbyl hydroxide

10304-09-3

potassium oxalate monomethyl ester

107399-19-9

(C6H5)3PbO2CCO2CH3

Conditions
ConditionsYield
With methanol In methanol HO2CCO2CH3 prepared in situ from potassium salt in methanol, pptd. at room temp. by equimolar amount of R3MOH; suspn. in CH3OH warmed, solvent vol. reduced; elem. anal.;74%
10304-09-3

potassium oxalate monomethyl ester

17546-98-4

Trimethylbleimonohydroxyd

107399-17-7

(CH3)3PbO2CCO2CH3

Conditions
ConditionsYield
With methanol In methanol HO2CCO2CH3 prepared in situ from potassium salt in methanol, pptd. at room temp. by equimolar amount of R3MOH; suspn. in CH3OH warmed, solvent vol. reduced; elem. anal.;70%
76-87-9

triphenyltin(IV) hydroxide

10304-09-3

potassium oxalate monomethyl ester

107399-18-8

(C6H5)3SnO2CCO2CH3

Conditions
ConditionsYield
With methanol In methanol HO2CCO2CH3 prepared in situ from potassium salt in methanol, pptd. at room temp. by equimolar amount of R3MOH; suspn. in CH3OH warmed, solvent vol. reduced; elem. anal.;65%
10304-09-3

potassium oxalate monomethyl ester

56-24-6

trimethyltin(IV) hydroxide

107399-16-6

(CH3)3SnO2CCO2CH3

Conditions
ConditionsYield
With methanol In methanol HO2CCO2CH3 prepared in situ from potassium salt and methanol, pptd. at room temp. by equimolar amount R3MOH; suspn. in CH3OH warmed, solvent vol. reduced; elem. anal.;56%
106-38-7

para-bromotoluene

10304-09-3

potassium oxalate monomethyl ester

99-75-2

4-methyl-benzoic acid methyl ester

Conditions
ConditionsYield
With palladium(II) trifluoroacetate; 1,3-bis-(diphenylphosphino)propane In 1-methyl-pyrrolidin-2-one at 150℃; for 24h; Inert atmosphere;52%
615-96-3

Ethyl 2-bromohexanoate

10304-09-3

potassium oxalate monomethyl ester

1-ethoxy-1-oxohexan-2-yl methyl oxalate

Conditions
ConditionsYield
In dimethyl sulfoxide at 20℃; for 48h; Inert atmosphere;49%
5781-53-3

monomethyl oxalyl chloride

10304-09-3

potassium oxalate monomethyl ester

5781-55-5

methoxalic anhydride

Conditions
ConditionsYield
(i) aq. KOAc, MeOH, (ii) /BRN= 1071541/, benzene,; Multistep reaction;
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