反应详情

By substituting 5-methoxypipecolic acid methyl ester [prepared from 5-hydroxypipecolic acid by the procedure described in J. Chem. Soc. 429 (1945) for 5-methoxyproline] for the L-proline methyl ester in the procedure of Example 18, 2,3-dehydro-1-(3-acetylthio-1-oxopropyl)-5-methoxypipecolic acid is obtained.