反应详情

The N-carbobenzyloxy-4-hydroxy-4-[(4-pyridyl)-methyl]-L -proline from part (a) is hydrogenated according to the procedure of Example 1 (b) to yield 4-hydroxy-4-[(4-pyridyl)methyl]-L-proline. This amino acid is reacted with D-3-acetylthio-2-methylpropionyl chloride according to the procedure of Example 1 (c) to yield [1(S)]-1-[3-(acetylthio)-2-methyl-1-oxopropyl]-4-hydroxy-4-[(4-pyridyl)methyl]-L-proline.