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Isobutyraldehyde is the chemical compound with the formula (CH 3) 2 CHCHO. It is an aldehyde, isomeric with n-butyraldehyde (butanal). [1] Isobutyraldehyde is made, often as a side-product, by the hydroformylation of propene. Its odour is described as that of wet cereal or straw. It undergoes the Cannizaro reaction even though it has alpha ...
Butyraldehyde undergoes reactions typical of alkyl aldehydes, and these define many of the uses of this compound.Important reactions include hydrogenation to the alcohol, oxidation to the acid, and base-catalyzed condensation.
Isobutyric acid is manufactured by the oxidation of isobutyraldehyde, which is a byproduct of the hydroformylation of propylene. [7] It can also be prepared by the high pressure hydrocarboxylation (Koch reaction) from propylene: [7] CH 3 CH=CH 2 + CO + H 2 O → (CH 3) 2 CHCO 2 H
It is produced by the condensation reaction of isobutyraldehyde and two equivalents of urea: (CH 3) 2 CHCHO + 2 OC(NH 2) 2 → (CH 3) 2 CHCH{NHC(O)NH 2} 2 + H 2 O. The controlled-release process is the reverse of the above reaction, which only occurs after the IBDU dissolves.
Synthetic routes for the production of isovaleraldehyde vary. One method is by the hydroformylation of isobutene: (CH 3) 2 C=CH 2 + H 2 + CO → (CH 3) 2 C−CH 2 CHO. A small amount of 2,2-dimethylpropanal ((CH 3) 2 C−C(CHO)CH 3 side product is also generated.
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α-Ketoisovaleric acid is an organic compound with the formula (CH 3) 2 CHC(O)CO 2 H. It is a ketoacid.With a melting point just above room temperature, it is usually an oil or semi-solid.