A process for the production of a compound of Formula I, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable prodrug ester thereof,
comprising cleaving a lactam of formula II
wherein the symbols are as defined, with a base; and precursors therefor and processes for the preparation of the precursors. The compounds of Formula I are pharmaceutically active compounds which are selective inhibitors of Cyclooxygenase II.
一种制备I式化合物或其药学上可接受的盐或药学上可接受的前药酯的方法,包括用碱
水解II式内酰胺,其中符号的定义如下;以及其前体和前体的制备方法。I式化合物是具有药理活性的化合物,是环氧合酶II的选择性
抑制剂。