PRODUCTION OF ALKYL ESTERS OF 2-IMINO-PIPERIDINE- 1-CARBOXYLATE AND 3-IMINO- MORPHOLINE-4-CARBOXYLATE HYDROHALIDE SALTS

摘要

A process for preparing compounds of the formula HXHN CO2R2 ZIV wherein X is Cl or Br, R2 is C1-C6 alkyl, and Z is CH2 or O comprising reacting a compound of the formula NCZNHCO2R2 wherein R2 and Z are as defined above, with HCl or HBr at - 40 to 400C.