摘要:
This invention relates to improved processes for preparing compounds of Formula II, and compounds of Formula III, wherein R1, R2, R3 and Prt are defined as set forth in the specification.
摘要:
This invention relates to improved processes for preparing compounds of Formula II, and compounds of Formula III, wherein R1, R2, R3 and Prt are defined as set forth in the specification.
摘要:
This invention relates to an improved process for the preparation of (2S,3S)-2-benzhydryl-N-(5-tent-butyl-2-methoxybenzyl)quinuclidin-3-amine, (hereinafter “compound of Formula I”) and its pharmaceutically acceptable salts. In particular, the invention is directed to an improved synthesis of the monohydrate citrate salt of the compound of Formula (Ia).