[CH:1]([C:4]1[N:5]=[C:6]([CH2:9][CH2:10][C:11]2[CH:46]=[CH:45][N:14]3[C:15](=[O:44])[C:16](/[CH:25]=[CH:26]/[C:27]([NH:29][S:30]([CH2:33][CH2:34][CH2:35][NH:36]C(OC(C)(C)C)=O)(=[O:32])=[O:31])=[O:28])=[C:17]([N:19]4[CH2:24][CH2:23][O:22][CH2:21][CH2:20]4)[N:18]=[C:13]3[CH:12]=2)[S:7][CH:8]=1)([CH3:3])[CH3:2]>FC(F)(F)C(O)=O>[CH:1]([C:4]1[N:5]=[C:6]([CH2:9][CH2:10][C:11]2[CH:46]=[CH:45][N:14]3[C:15](=[O:44])[C:16](/[CH:25]=[CH:26]/[C:27]([NH:29][S:30]([CH2:33][CH2:34][CH2:35][NH2:36])(=[O:32])=[O:31])=[O:28])=[C:17]([N:19]4[CH2:20][CH2:21][O:22][CH2:23][CH2:24]4)[N:18]=[C:13]3[CH:12]=2)[S:7][CH:8]=1)([CH3:3])[CH3:2]The N-((E)-3-{8-[2-(4-isopropyl-1,3-thiazol-2-yl)ethyl]-2-morpholino-4-oxo-4H-pyrido -[1,2-a]pyrimidin-3-yl}-2-propenoyl)-3-(tert-butoxycarbonylamino)-1-propane -sulfonamide (32 mg) obtained in (A) was dissolved in trifluoroacetic acid (2 ml) and stirred for 40 minutes. The solvent was evaporated under reduced pressure, and the residue was purified by medium pressure reverse phase column chromatography to obtain the title compound (quantitative).
読み込み中…