申请人:Fisons Limited
公开号:US04328341A1
公开(公告)日:1982-05-04
There is described a process for the production of a 1,4-dihydro-4-oxo-quinoline-2-carboxylic acid, or a salt, ester or amide thereof, which comprises cyclization of a corresponding 2-aminobenzoyl pyruvic acid or an ester thereof, and if desired or necessary converting the resulting product to an appropriate salt, ester or amide thereof, or vice versa.
描述了一种生产1,4-二氢-4-氧基-喹啉-2-羧酸或其盐、酯或酰胺的过程,包括将相应的2-氨基苯甲酰丙酸或其酯环化,并在必要时将所得产物转化为相应的盐、酯或酰胺,或者反之亦然。