The present invention relates to a novel process for the preparation of sodium 7-((3-Chloro-6-methyl-5,5-dioxo-6,11-dihydrodibenzo(c,f)(1,2)thiazepin-11-yl)amino)heptanoate and intermediates. The invention also encompasses isolation of an essentially non-hygroscopic compound which is substantially pure.
本发明涉及一种制备7-((3-
氯-6-甲基-5,5-二氧化-6,11-二氢二苯并(c,f)(1,2)
噻唑-11-基)
氨基)
庚酸钠及其中间体的新工艺。本发明还包括分离一种基本上不吸湿的、基本上纯的化合物。