Diisopropylethylamine → (5-Bromo-imidazo[1,2-a]pyrazin-8-yl)-[4-(4-isopropyl-piperazin-1-yl)-phenyl]-amine

反応式

[Br:1][C:2]1[N:7]2[CH:8]=[CH:9][N:10]=[C:6]2[C:5](Br)=[N:4][CH:3]=1.[CH:12]([N:15]1[CH2:20][CH2:19][N:18]([C:21]2[CH:26]=[CH:25][C:24]([NH2:27])=[CH:23][CH:22]=2)[CH2:17][CH2:16]1)([CH3:14])[CH3:13].C(N(C(C)C)CC)(C)C>>[Br:1][C:2]1[N:7]2[CH:8]=[CH:9][N:10]=[C:6]2[C:5]([NH:27][C:24]2[CH:23]=[CH:22][C:21]([N:18]3[CH2:17][CH2:16][N:15]([CH:12]([CH3:14])[CH3:13])[CH2:20][CH2:19]3)=[CH:26][CH:25]=2)=[N:4][CH:3]=1

参加物

反応物 3

HCID 81531Diisopropylethylamine

HCID 91615454-[4-(Propan-2-yl)piperazin-1-yl]aniline

HCID 534859495,8-Dibromoimidazo[1,2-a]pyrazine

生成物 1

HCID 59022995(5-Bromo-imidazo[1,2-a]pyrazin-8-yl)-[4-(4-isopropyl-piperazin-1-yl)-phenyl]-amine収率 43.1%

実験手順

A solution of 5,8-dibromo-imidazo[1,2-a]pyrazine (0.134 g, 0.48 mmol), 4-(4-isopropyl-piperazin-1-yl)-phenylamine (0.118 g, 0.54 mmol) and diisopropylethylamine (0.093 mL, 0.54 mmol) is stirred at 90° C. for 18 hours. The reaction mixture is concentrated in vacuo and partitioned between DCM and sat. NaHCO3. The organic layer is washed with brine, dried over MgSO4, filtered and concentrated. The residue is purified by silica gel column chromatography eluting with 98:2 DCM:MeOH to afford the title compound (0.086 g, 43%).