申请人:Merck & Co., Inc.
公开号:US03944600A1
公开(公告)日:1976-03-16
Process for preparing 5-fluoro-2-methyl-1-(p-methylsulfinylbenzylidene)-indene-3-acetic acid by reacting fluorobenzene with an acid halide, to form an indanone, reaction of the indanone with a methylthio (or methylsulfinyl)benzyl compound to form 5-fluoro-2-methyl-1-(p-methylthiobenzyl) or (p-methylsulfinylbenzyl)-indene and reacting said indene with a glyoxylic acid. The invention also relates to intermediates thereof and processes for said intermediates.
通过将
氟苯与酸卤反应形成
茚酮,然后将
茚酮与甲
硫基(或甲基亚砜基)苄基化合物反应,形成5-
氟-2-甲基-1-(对甲基
硫基苄基)或(对甲基亚砜基苄基)-
茚烯,最后将所述
茚烯与
乙醛酸反应,制备5-
氟-2-甲基-1-(对甲基亚砜基苄基)
茚烯-3-
乙酸。本发明还涉及其中间体及其制备方法。