C([O:5][C:6](=[O:20])[CH2:7][NH:8][C:9]1[S:10][C:11]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)=[N:12][N:13]=1)(C)(C)C>C(O)(C(F)(F)F)=O.ClCCl>[C:14]1([C:11]2[S:10][C:9]([NH:8][CH2:7][C:6]([OH:20])=[O:5])=[N:13][N:12]=2)[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=1290 mg (0.99 mmol) of (5-phenyl-[1,3,4]thiadiazol-2-ylamino)-acetic acid tert-butyl ester in 5 ml of TFA and 5 ml of dichloromethane at room temperature for 16 h. The volatiles were removed under reduced pressure.
Wird geladen…