English to Russian Medical Medical: Pharmaceuticals

In this case the initial reaction is also condensation between a hydroxyl group (of xxxxxx) and xxxxxxx, catalysed by various solid excipients (starch, cellulose, or probably any water-absorbing substance that can dehydrate the dexketoprofen trometamol salt).
This forms an ester that can subsequently be easily rearranged through an intermediate with a 5-link cycle, leading to the respective amide.