HCID 54408318, compound → HCID 54096442, compound

Participants

Reaction Steps

(R)-3-(4-{3-methoxy-4-[3-(2-methylphenyl)ureido]phenylacetylamino}phenyl)-3-(methanesulphonylamino)-propanoic acid tert-butyl ester [55 mg, Reference Example 6(a)] was dissolved in anhydrous trifluoroacetic acid (2 ml) and allowed to stand at ambient temperature for 30 minutes. The reaction mixture was evaporated and the residue was triturated with diethyl ether to yield the title compound (42 mg) as an amorphous white solid. MS: MH+ 555. [Elemental analysis:—C, 55.3; H, 5.1; N, 9.2%. Calculated for C27H30N4O7S:—C, 58.5; H, 5.45; N, 10.1%].

Provenance & Evidence