摘要 |
<p>This invention relates to 3-amino piperadine derivatives, their intermediates and methods of manufacture. As such, the present invention includes methods of making a compound of the formulas (la) and (lb) wherein R,, R2, R3, R4, R,4, and n are herein defined. The present invention also relates to the compounds used in such processes, as well as the compounds made by the processes.</p> |