The present invention provides processes useful in the preparation of certain &bgr;
3
-adrenergic receptor agonists of the structural formula
1
the pharmaceutically acceptable salts thereof, and the hydrates of said pharmaceutically acceptable salts, wherein HET is as described herein. The invention further provides intermediates useful in the preparation of such agonists, and processes useful in the production of such intermediates.
本发明提供了在制备某些结构式1的β3-
肾上腺素受体激动剂中有用的过程,其药物可接受的盐以及所述药物可接受的盐的
水合物,其中HET如本文所述。本发明还提供了在制备这种激动剂中有用的中间体,以及在生产这种中间体中有用的过程。