aldehyde

/al-duh-hahyd/US // ˈæl dəˌhaɪd //UK // (ˈældɪˌhaɪd) //

醛,醛类,乙醛,甲醛

Definitions

n.名词 noun

1
Chemistry.
- : any of a class of organic compounds containing the group −CHO, which yields acids when oxidized and alcohols when reduced.

With that in mind, Lam and colleagues homed in on a yeast gene called GRE2, which helps convert aldehydes into alcohol.
Neutral volatile substances—ethyl alcohol, aldehyde, acetone.
Aldehyde gives a carmine red unaltered by ammonium sulphate.
By this means the first compound is transformed into benzoic aldehyde, and the second into benzoic acid.
The starting-point in this synthesis is nitrobenzoic aldehyde, so that here again we begin with toluene as a raw material.
It is not possible to obtain the aldehyde in a pure condition, since it readily polymerizes.