Process for the preparation of 2-hydroxy-4-(2'-hydroxyethoxy) benzophenones
 A process for the preparation of 2-hydroxy-4-(2'-hydroxyethoxy)benzophenones, by reacting 2,4-dihydroxybenzophenones with ethylene carbonate in the presence of a quaternary ammonium salt catalyst at elevated temperatures, and isolating the finished product from the crude reaction mixture. 
BASF Aktiengesellschaft
C C
C07C C07C
inventional inventional
Erwin Peter
Hahn Neumann