5-Methoxy-1,3-dihydro-2-benzofuran-1,3-dione → HCID 54129340, compound

Participants

Reaction Steps

In a manner analogous to that described in Example 3(A), from 0.45 g of (aminomethyl)[(RS)-4-methyl-2-[[(S)-3-methyl-1-(methylcarbamoyl)butyl]carbamoyl]pentyl]phosphinic acid methyl ester acetate and 0.185 g of 4-methoxyphthalic anhydride, there was obtained 0.274 g of [(4-methoxyphthalimido)methyl][(RS)-4-methyl-2-[[(S)-3-methyl-1-(methylcarbamoyl)butyl]carbamoyl]pentyl]phosphinic acid methyl ester in the form of colorless foam.

Provenance & Evidence