PROCESS FOR PRODUCING PIPECOLIC-2-ACID-2 ',6'-XYLIDIDE USEFUL AS AN INTERMEDIATE FOR THE PREPARATION OF LOCAL ANESTHETICS
摘要
<p>The present invention relates to an improved process for the preparation of pipecolic-2- acid-2',6'-xylidide or derivative thereof wherein it comprises hydrogenation of picolinic-2-acid-2',6'-xylidide in the presence of a Raney-nickel as a catalyst.</p>
