4,4′-Dihydroxybenzophenone Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
obtained by reaction of p-chlorobenzo_nitrile with resorcinol in the presence of zinc chloride and hydrochloric acid in ethyl ether (Hoesch reaction) in ice during 24 h and hydrolysis of 4′-chloro-2,4-dihydroxybenzophenone imide hydrochloride so formed (72%) with boiling water for 30 min.
4,4′-Dihydroxybenzophenone Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte