Sentence examples for esters from inspiring English sources

The methanol reacts with the fatty acids to form esters. Drain away the glycerol.

The advantage of esters is that they substitute directly for petroleum-based diesel fuel.

Examples are aliphatic esters and phthalates.

Esters also include many industrially important polymers.

Esters of phosphoric acid and sulfuric acid are important biological compounds; glucose-6-phosphate, for example, plays a central role in the energy metabolism of most living cells, and D-ribulose 1,5-diphosphate is important in photosynthesis.

P.E.M. Berthelot, the distinguished French chemist, confirmed this observation in 1879 with liquid systems, when he found that the reaction of organic acids and alcohols, called esterification, is catalyzed by the presence of small amounts of a strong inorganic acid, just as is the reverse process, the hydrolysis of esters (the reaction between an ester and water).

These dyes are the sulfate esters of hydroxyethylsulfonyl dyes, which, on treatment with mild base, generate the vinylsulfone group.

Urea reacts with alcohols to form urethanes and with malonic esters to give barbituric acids.

Examples of such functional groups are carboxylic acids, which react with alcohols to form esters and with amines to form amides: Here R and R′ represent two different organic molecular groups.

Other compounds giving a beer its character include: esters such as isoamyl acetate (banana), ethyl hexanoate (apple), and ethyl acetate (solvent); higher alcohols such as isoamyl alcohol and 2-phenyl ethanol; acids such as octanoic, acetic, isovaleric, butyric malic, and citric; dialkyl sulfides such as dimethyl sulfide; and diketones such as diacetyl.

The acid is of considerable commercial importance as a raw material in the manufacture of esters of lower alcohols for use as flavouring agents; its anhydride is used to make cellulose butyrate, a useful plastic.