ETILEFRINE IMPURITY A Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
Preparation by reductive condensation of 3-hydroxyphenyl-glyoxal with ethylamine in ethanol under saturated hydrogen atmosphere in the presence of Raney nickel at 45° (49%).
ETILEFRINE IMPURITY A Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte