The substance was synthesized from P-hydroxybenzoicacid through three steps.
该物质以对羟基苯甲酸为原料，经三步合成。
2
Nipagin esters were synthesized by the esterification of dodecyl and octadecyl alcohol with p -hydroxybenzoicacid in the presence of vitamin C.
以维生素C为催化剂， 对羟基苯甲酸和十六醇及十八醇为原料合成尼泊金十六酯与尼泊金十八酯。
3
Methods The substance was synthesized from P-hydroxybenzoicacid through three steps, those are etherification, preparation of acyl halide and amidation of the raw material.