Sodium Hydroxide → 4-methyl-3-[6-(4-(2-methoxyethyl)piperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzoic acid
Reaktionsgleichung
[CH3:1][C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8]C)=[O:7])=[CH:4][C:3]=1[N:12]1[C:21](=[O:22])[C:20]2[C:15](=[CH:16][CH:17]=[C:18]([N:23]3[CH2:28][CH2:27][N:26]([CH2:29][CH2:30][O:31][CH3:32])[CH2:25][CH2:24]3)[CH:19]=2)[N:14]=[CH:13]1.[OH-].[Na+]>>[CH3:1][C:2]1[CH:11]=[CH:10][C:5]([C:6]([OH:8])=[O:7])=[CH:4][C:3]=1[N:12]1[C:21](=[O:22])[C:20]2[C:15](=[CH:16][CH:17]=[C:18]([N:23]3[CH2:24][CH2:25][N:26]([CH2:29][CH2:30][O:31][CH3:32])[CH2:27][CH2:28]3)[CH:19]=2)[N:14]=[CH:13]1Komponenten
3
Versuchsvorschrift
Using an analogous procedure to that described paragraph (C) in the portion of Example 1 which is concerned with the preparation of starting material methyl 4-methyl-3-[6-(4-(2-methoxyethyl)piperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzoate was hydrolysed with 1N NaOH to give 4-methyl-3-[6-(4-(2-methoxyethyl)piperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzoic acid; NMR Spectrum: (DMSOd6) 2.16 (s, 3H), 3.30 (m, 9H), 3.60 (m, 2H), 3.80 (m, 2H), 4.00 (m, 2H), 7.58 (m, 2H), 7.69 (m, 2H), 7.93 (s, 1H), 8.00 (d, 1H), 8.16 (s, 1H), 11.07 (s, 1H), 13.10 (s, 1H); Mass Spectrum: M+H+ 423.