Yin, Xiumei published the artcileSynthesis of camostat mesilate, Recommanded Product: 2-(Dimethylamino)-2-oxoethyl 2-(4-hydroxyphenyl)acetate, the publication is Huaxue Yanjiu Yu Yingyong (2004), 16(6), 859-860, database is CAplus.
Camostat mesilate was synthesized from 4-aminobenzoic acid by adding cyanamide to obtain 4-guanidinobenzoic acid HCl, esterifying 4-hydroxyphenylacetic acid 2-dimethylamino-2-oxoethyl ester that was prepared from 4-hydroxyphenylacetic acid and N,N-dimethylchloroacetamide, neutralizing, and converting to the salt. The structures of the intermediates and product were confirmed by MS, IR, and 1H-NMR. The overall yield of the improved procedure was 56%.
Huaxue Yanjiu Yu Yingyong published new progress about 59721-16-3. 59721-16-3 belongs to esters-buliding-blocks, auxiliary class Amine,Benzene,Phenol,Ester,Amide, name is 2-(Dimethylamino)-2-oxoethyl 2-(4-hydroxyphenyl)acetate, and the molecular formula is C15H21BO2, Recommanded Product: 2-(Dimethylamino)-2-oxoethyl 2-(4-hydroxyphenyl)acetate.
Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics