The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

4-hydroxy-2-butanone was prepared by condensation of acetone with formaldehyde over KF/Al_2O_3 instead of the aqueous NaOH solution,the shortcoming in the old method such as polymer yielding and the neutralization with weak acid was overcome.

Phenethyl acetate, one of the major characteristic aroma compounds in apple wine, was synthesized by the condensation of acetyl-CoA and phenethyl alcohol under the catalysis of alcohol acetyltransferase (EC 2.

Mechanisms of N-acylethanolamines Regulation on Senescence in Cut Carnation Flower (Dianthus Caryophyllus L.);