Ethanol → Diethyl Oxalate

HRID 904934

Reaction equation

HRID 904934 reaction equation
[C]=O.[H][H].N([O:7][CH2:8][CH3:9])=O.[CH:10]([O:12][CH2:13][CH3:14])=[O:11].[CH2:15]([OH:17])C>[Pd]>[C:15]([O:7][CH2:8][CH3:9])(=[O:17])[C:10]([O:12][CH2:13][CH3:14])=[O:11]

Participants

7

Reactant 5

HCID 702EthanolHCID 8025Ethyl formateHCID 8026Ethyl NitriteHCID 178418361HCID 178418361, compoundHCID 178418416HCID 178418416, compound

Product 1

HCID 7268Diethyl Oxalate

Reagents, catalysts & solvents 1

HCID 23938PalladiumCatalyst

Procedure

In a tubular reactor, there was packed 10 ml. of a 0.5 wt.% palladium-on-alumina catalyst (manufactured by Nippon Engerhard Co., Ltd.), followed by introduction of a gaseous mixture consisting of 28.5% by volume of carbon monoxide, 4.5% by volume of hydrogen, 5.7% by volume of ethyl nitrite and 61.3% by volume of nitrogen at a rate of 40.0 l. per hour to subject the gaseous mixture to reaction at a reaction temperature of 120° C. under ambient pressure. According to a gas-chromatographic analysis of the reaction mixture, it was found that ethyl formate was produced in a space time yield of 235 g./l.-catalyst.hr and small amounts of diethyl oxalate and ethanol were by-produced.

Workup

  1. customIn a tubular reactor, there was packed
  2. waitper hour to subject
  3. customthe gaseous mixture to reaction at a reaction temperature of 120° C. under ambient pressure
  4. customwas produced in a space time yield of 235 g

Sources & evidence

ORD record
ord-db63f6af83804701b175df29c244fbb5
Source dataset
uspto-grants-1983_12
Patent number
US04420633

Linked notes

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