PROCESS FOR THE PREPARATION OF CYCLIC SPIROPIPERIDINES

摘要

The present invention relates to new processes for the preparation of compounds of formula I, especially the compound 2-{2-Chloro-5-{[(2S)-3-(5-chloro-1'H,3H-spiro[1- benzofuran-2,4'-piperidin]-1'-yl)-2-hydroxypropyl]oxy}-4-5 [(methylamino)carbonyl]phenoxy}-2-methylpropanoic acid and to new intermediates useful in the preparation thereof.