반응식
[CH2:1]([C:3]1[N:13]([C:14]2[CH:19]=[CH:18][C:17]([CH2:20][CH2:21][NH:22][C:23]([NH:25][S:26]([C:29]3[CH:34]=[CH:33][C:32]([CH3:35])=[CH:31][CH:30]=3)(=[O:28])=[O:27])=[O:24])=[CH:16][CH:15]=2)[C:6]2=[N:7][C:8]([CH3:12])=[CH:9][C:10]([CH3:11])=[C:5]2[N:4]=1)[CH3:2].[CH3:36]N>O>[CH2:1]([C:3]1[N:13]([C:14]2[CH:15]=[CH:16][C:17]([CH2:20][CH2:21][N:22]([CH3:36])[C:23]([NH:25][S:26]([C:29]3[CH:34]=[CH:33][C:32]([CH3:35])=[CH:31][CH:30]=3)(=[O:28])=[O:27])=[O:24])=[CH:18][CH:19]=2)[C:6]2=[N:7][C:8]([CH3:12])=[CH:9][C:10]([CH3:11])=[C:5]2[N:4]=1)[CH3:2]참가 물질
반응물 2
생성물 1
시약·촉매·용매 1
반응 조건
- 온도
- 130 °C
실험 절차
A mixture of 3-[4-(2-chloroethyl)phenyl]-2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine (step 7 of Example 1, 627 mg, 9.0 mmol), a solution of methylamine (40% in methanol, 6 mL) and water (6 mL) was placed in a sealed tube and heated overnight at 130° C. The reaction mixture was partitioned between dichloromethane (50 mL) and water (50 mL). The organic phase was separated and the aqueous phase was extracted with dichloromethane (50 mL). The combined organic extracts were washed with brine (50 mL) and dried (Na2SO4). After removal of solvent, the crude product was purified by flash column chromatography on silica gel eluting with dichloromethane/methanol (5:1) to afford 523 mg (85%) of the title compound as white solids: 1H-NMR (CDCl3) δ 7.41 (2H, d, J=8.3 Hz), 7.31 (2H, d, J=8.3 Hz), 6.90 (1H, s), 4.73 (1H, br.s), 2.93 (4H, s), 2.82 (2H, q, J=7.5 Hz), 2.65 (3H, s), 2.51 (3H, s), 2.49 (3H, s), 1.28 (3H, t, J=7.5 Hz).
후처리
- customThe reaction mixture was partitioned between dichloromethane (50 mL) and water (50 mL)
- customThe organic phase was separated
- extractionthe aqueous phase was extracted with dichloromethane (50 mL)
- washThe combined organic extracts were washed with brine (50 mL)
- dry with materialdried (Na2SO4)
- customAfter removal of solvent
- customthe crude product was purified by flash column chromatography on silica gel eluting with dichloromethane/methanol (5:1)
출처 및 근거
- ORD 기록
- ord-4e25a58561024da0bf81c694df1d9993
- 출처 데이터셋
- uspto-grants-2004_03
- 특허 번호
- US06710054B2
연결된 노트
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