m-Tolyl isocyanate → HCID 19002011, compound

Participants

Reaction Steps

Using a procedure similar to that described in Example 1, but starting with tert-butyl 2-[2-amino-N-(3-ethoxycarbonylphenyl)acetamido]acetate (3.3 g) and 3-methylphenyl isocyanate (1.3 g), and after recrystallisation in diisopropyl ether, tert-butyl 2-{N-(3-ethoxycarbonylphenyl)-2-[3-(3-methylphenyl)ureido]acetamido}acetate (0.85 g), m.p. 71° C., is obtained.

Provenance & Evidence