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.
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.
Synthesis of new N-aryl oxindoles as intermediates for pharmacologically active compounds
作者:Murat Acemoglu、Thomas Allmendinger、John Calienni、Jacques Cercus、Olivier Loiseleur、Gottfried H. Sedelmeier、David Xu
DOI:10.1016/j.tet.2004.09.064
日期:2004.12
Various new N-aryl oxindoles were synthesized as intermediates for the preparation of pharmacologicallyactive 2-(N-arylamino)-phenylacetic acids. Two novel approaches were explored for the construction of diarylamine and N-aryl oxindole core structures, in addition to Buchwald-arylamination and Smiles rearrangement. Condensation of anilines with 2-oxo-cyclohexylidene-acetic acid derivatives and subsequent