tert-Butyl (2-{2-[(4-{[(benzylamino)carbonyl]amino}benzyl)-amino]-2-oxoethyl}-1-oxo-2,3,4,5-tetrahydro-1H-2-benzazepin-5-yl)acetate → (2-{2-[(4-{[(Benzylamino)carbonyl]amino}benzyl)amino]-2-oxoethyl}-1-oxo-2,3,4,5-tetrahydro-1H-2-benzazepin-5-yl)acetic Acid

Participants

Reaction Conditions

Reaction Steps

40 mg (0.07 mmol) of Example III are dissolved in 3 ml of trifluoroacetic acid and the mixture is stirred at 0° C. for 2 h and at room temp. for 16 h. It is concentrated, and the residue is codistilled repeatedly with CH2Cl2 and dried (31.8 mg). ESI-MS [M+H+]=515.

Provenance & Evidence