반응 #55889

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5-hydroxypipecolic acid

5-methoxypipecolic acid methyl ester

→

5-methoxyproline

L-proline methyl ester

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실험 절차

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.

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