O-Benzylhydroxylamine hydrochloride was conveniently prepared by O-benzylation of N-hydroxybenzamide,acidic hydrolysis and salifying with HCl(g).The overall yield was over 76%.
Besides, the development and perfection of O-R MAPPING technology can ensure developing reliable, stuggy and efficient applications when applications access the rock-bottom database.
N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.