Improvement in the process for preparing biaryl compounds via coupling of an arylamine with an arene
申请人:Nobel Chemicals AB
公开号:EP0100120A1
公开(公告)日:1984-02-08
Improvement in the process for preparing biaryl compounds via coupling of an arylamine with an arene in the presence of a nitrite, an acid and copper metal or a derivative thereof; the improvement is consisting in adding to the reaction mixture a trialkylorthoformate. The process may be used for preparing drugs such as Flurbiprofen and Xenbucin or intermediate compounds particularly useful for preparing Flurbiprofen, Flufenisal, Chlordimorin, Xenbucin, Xenysalate, Xenyhexenic acid and the like.
改进了在亚硝酸盐、酸和金属铜或其衍生物存在下通过芳胺与炔偶联制备双芳基化合物的工艺;改进之处在于在反应混合物中加入了三烷基甲酸原酯。该工艺可用于制备药物,如氟比洛芬(Flurbiprofen)和昔布新(Xenbucin)或中间化合物,特别是用于制备氟比洛芬(Flurbiprofen)、氟苯尼考(Flufenisal)、氯噻莫林(Chlordimorin)、昔布新(Xenbucin)、昔沙拉特(Xenysalate)、昔己酸(Xenyhexenic acid)等。