Hydrochloric Acid → {3-[4-(aminoiminomethyl)benzyl]-2,5-dioxopyrrolidin-1-yl}acetyl-D,L-homophenylalanine

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Reaction Steps

45 mg of {3-[4-(aminoiminomethyl)benzyl]-2,5-dioxopyrrolidin-1-yl}acetyl-D,L-homophenylalanine methyl ester are allowed to stand at room temperature for 1 h with 5 ml of concentrated hydrochloric acid. The mixture is then concentrated to dryness in vacuo, and the residue is taken up in a little water and freeze-dried. 24 mg of {3-[4-(aminoiminomethyl)benzyl]-2,5-dioxopyrrolidin-1-yl}acetyl-D,L-homophenylalanine are obtained.

Provenance & Evidence