[NH2:1][C:2]1[C:11]2[N:12]=[C:13]([CH2:31][CH2:32][CH2:33][CH3:34])[N:14]([CH2:15][CH2:16][CH2:17][NH:18][CH2:19][C:20]3[CH:25]=[CH:24][C:23]([CH2:26][C:27]([O:29][CH3:30])=[O:28])=[CH:22][CH:21]=3)[C:10]=2[C:9]2[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=2[N:3]=1.[C:35](Cl)(=[O:37])[CH3:36]>C(Cl)Cl>[NH2:1][C:2]1[C:11]2[N:12]=[C:13]([CH2:31][CH2:32][CH2:33][CH3:34])[N:14]([CH2:15][CH2:16][CH2:17][N:18]([CH2:19][C:20]3[CH:21]=[CH:22][C:23]([CH2:26][C:27]([O:29][CH3:30])=[O:28])=[CH:24][CH:25]=3)[C:35](=[O:37])[CH3:36])[C:10]=2[C:9]2[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=2[N:3]=1The product from example 1 (142 mg) was dissolved in DCM (5 mL) and TEA (0.065 mL) was added. The reaction mixture was cooled to 0° C. Acetyl chloride (0.029 mL) was added and the reaction mixture stirred for 30 min. The solvents were evaporated and the residue was taken up in MeOH and purified by RPHPLC to afford the title compound (40 mg) as a white solid.
Wird geladen…