| abstract |
Production of 2-(4-phenoxyphenoxy)ethylamine (IA) and ethyl 2-(4-phenoxyphenoxy)ethylcarbamate (IB) and their salts comprises: a) reacting 4-phenoxyphenol (optionally as a salt) with 2-oxazolidinone, preferably in a protective gas atmosphere, and b) condensing the resulting (IA), optionally after isolation, with an activated ethyl formate of formula Et0COX (IV), preferably in the presence of a base, to give (IB). X = leaving group. |