5650-43-1

Propiosyringone is derived from the breakdown of Eucalyptus globulus wood by wood-decaying fungi.

Preparation by oxidation of (3,5-dimethoxy- 4-hydroxy-phenyl)ethylcarbinol also named 1-(4-hydroxy-3,5-di-methoxyphenyl)-1-propanol,
with DDQ in dioxane at r.t. for 16 h (70%) ;
using silver oxide in sodium hydroxide.