Methyl D-prolinate → HCID 53704324, compound

Participants

Reaction Steps

N-triphenylmethyl-2-paranitrophenoxycarbonylthioethylamine (675 mg) and D-proline methylester (0.18 g) were subjected to similar reactions to those described in References 2 and 4 to give 2-[(R)-2-methoxycarbonylpyrrolidino]carbonylthioethylamine (crude formate: 336 mg). The product was dissolved in anhydrous methanol (6 ml). To the solution were added triethylamine (1.01 ml) and mitomycin A (338 mg: 0.8 molar equivalent). The solution was then treated in a similar manner to that described in Example 1 to obtain Compound 32 (286 mg) in the form of grayish blue powders with a yield of 43%.

Provenance & Evidence