Trifluoroacetic acid → N-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-5-(2,6-dichlorobenzoyl)oxy-4-oxo pentanoic Acid

Beteiligte Stoffe

Reaktionsschritte

Treatment of N-[(1-methyl-3-isobutyl-indole-2-carbonyl)leucinyl]-3-amino-5-(2,6-dichlorobenzoyl)oxy-4-oxo pentanoic acid, tert-butyl ester (63 mg, 0.089 mmol) with TFA as described in Example 80 gave the titled product (34.5 mg, 60%) as a white powder. MS C32H37Cl2N3O7, [M+H]+ =646, [M−H]−=644. TLC (CH2Cl2/MeOH, 90/10): Rf=0.23.

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