Sodium → isopropyl 2-chloro-4-fluoro-5-[3,6-dihydro-5-ethyl-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate
反応式
[Cl:1][C:2]1[CH:13]=[C:12]([F:14])[C:11]([NH:15][C:16]([NH:18][C:19]([CH3:28])=[C:20]([C:23](OCC)=[O:24])[CH2:21][CH3:22])=[O:17])=[CH:10][C:3]=1[C:4]([O:6][CH:7]([CH3:9])[CH3:8])=[O:5].[Na]>C(O)(C)C.CN(C)C=O>[Cl:1][C:2]1[CH:13]=[C:12]([F:14])[C:11]([N:15]2[C:23](=[O:24])[C:20]([CH2:21][CH3:22])=[C:19]([CH3:28])[NH:18][C:16]2=[O:17])=[CH:10][C:3]=1[C:4]([O:6][CH:7]([CH3:9])[CH3:8])=[O:5]参加物
4
実験手順
using isopropyl 2-chloro-4-fluoro-5-{3-[2-(ethoxycarbonyl)-1-methyl-1-butenyl]ureido}-benzoate with sodium isopropylate in an isopropanol/dimethylformamide mixture there is obtained isopropyl 2-chloro-4-fluoro-5-[3,6-dihydro-5-ethyl-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-benzoate, m.p. 176°-178° C.,