A process for preparation of 2-(10,11-dihydro-10-oxodibenzo[b,f]thiepin-2-yl)propionic acid (i.e., Zaltoprofen) is performed by subjecting 2-(4-amino-3-carboxy-methylphenyl)propionic acid or its salt to diazotization and subsequent reaction with thiophenol to produce 2-(3-carboxymethyl-4-phenylthiophenyl)propionic acid or its salt, and subjecting the product to cyclization reaction. Other related processes and related compounds are also disclosed.
制备2-(10,11-二氢-10-氧代二苯并[b,f]
噻吩-2-基)
丙酸(即扎尔托普罗芬)的方法是将2-(4-
氨基-3-羧甲基苯基)
丙酸或其盐经过重氮化反应,随后与
硫酚反应,生成2-(3-羧甲基-4-苯基
硫代苯基)
丙酸或其盐,并将产物进行环化反应。此外,还公开了其他相关的方法和化合物。