Butanal → 2-Ethylhex-2-Enal

HRID 1390422Notes

Reaction equation

HRID 1390422 reaction equation
[CH:1](=[O:5])[CH2:2][CH2:3][CH3:4].[OH-].[Na+]>O>[CH2:3]([C:2](=[CH:1][CH2:2][CH2:3][CH3:4])[CH:1]=[O:5])[CH3:4]

Participants

4

Reactant 2

HCID 261ButanalHCID 14798Sodium Hydroxide2×

Product 1

HCID 125822-Ethylhex-2-Enal

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

n-Butyraldehyde was added to an approx. 3% aqueous sodium hydroxide solution with a ratio of 9 parts by weight sodium hydroxide solution to 1 part by weight aldehyde, and intensively mixed at a temperature of 100° to 130° C. 2-Ethylhexenal, which was formed by cleavage of water, was then hydrogenated with a fixed bed nickel catalyst in the gas phase at approx. 110° C. The hydrogenation product had the following composition:

Workup

  1. additionintensively mixed at a temperature of 100° to 130° C

Sources & evidence

ORD record
ord-2a1861fcbc794e8b8e31c6dd9c4d254f
Source dataset
uspto-grants-1979_02
Patent number
US04138588

Reaction notes

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