[F:1][C:2]([F:25])([F:24])[C:3]1[CH:4]=[CH:5][C:6]([NH:9][C@H:10]2[C@@H:15]3[CH2:16][C@@H:12]([CH2:13][N:14]3C(OC(C)(C)C)=O)[CH2:11]2)=[N:7][CH:8]=1.Cl>CCOC(C)=O.O1CCOCC1>[F:25][C:2]([F:1])([F:24])[C:3]1[CH:4]=[CH:5][C:6]([NH:9][C@H:10]2[C@@H:15]3[CH2:16][C@@H:12]([CH2:13][NH:14]3)[CH2:11]2)=[N:7][CH:8]=1xHCl. To the title compound of step A (198 mg, 0.554 mmol) in EtOAc (3 mL) was added 4M HCl in dioxane (14 mL). After 1 h, the reaction was concentrated to give the title compound of step B (183 mg), which was used without further purification. MS (ESI) mass calcd. for C12H14F3N3, 257.1. m/z found 258.1 [M+H]+.
Wird geladen…