申请人:CHEMAGIS LTD.
公开号:EP0582441A1
公开(公告)日:1994-02-09
The invention provides a process for the production of N-[2-(p-hydroxyphenyl)ethyl]-p-chlorobenzamide of the formula III:
and derivatives thereof, comprising reacting 4-(2-aminoethyl) phenol (Tyramine) of formula I:
or the hydrochloride salt thereof, with 1.0 to 1.5 molar equivalent of 4-chlorobenzoyl chloride in the presence of water, in the presence of at least one molar equivalent of base and in the presence of an organic solvent.
本发明提供一种生产公式 III 的 N-[2-(对羟基苯基)乙基]-p-氯苯甲酰胺及其衍生物的方法,包括在水和有机溶剂的存在下,与至少一当量的碱反应,将公式 I 的 4-(2-氨乙基)苯酚(酪胺)或其盐酸盐与1.0至1.5摩尔当量的4-氯苯甲酰氯反应。