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p-Toluenesulfonic acid → N-(2,6-difluorophenyl)-3-{3-[2-({2-(ethyloxy)-4-[2-(4-methyl-1-piperazinyl)ethyl]-phenyl}amino)-4-pyrimidinyl]imidazo[1,2-a]pyridin-2-yl}benzamide

HRID 419499
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인쇄 미리보기

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HRID 419499 반응식
Cl[C:2]1[N:7]=[C:6]([C:8]2[N:12]3[CH:13]=[CH:14][CH:15]=[CH:16][C:11]3=[N:10][C:9]=2[C:17]2[CH:18]=[C:19]([CH:31]=[CH:32][CH:33]=2)[C:20]([NH:22][C:23]2[C:28]([F:29])=[CH:27][CH:26]=[CH:25][C:24]=2[F:30])=[O:21])[CH:5]=[CH:4][N:3]=1.[CH2:34]([O:36][C:37]1[CH:43]=[C:42]([CH2:44][CH2:45][N:46]2[CH2:51][CH2:50][N:49]([CH3:52])[CH2:48][CH2:47]2)[CH:41]=[CH:40][C:38]=1[NH2:39])[CH3:35].C1(C)C=CC(S(O)(=O)=O)=CC=1.C[O-].[Na+]>C(Cl)Cl.CC(O)C>[F:30][C:24]1[CH:25]=[CH:26][CH:27]=[C:28]([F:29])[C:23]=1[NH:22][C:20](=[O:21])[C:19]1[CH:31]=[CH:32][CH:33]=[C:17]([C:9]2[N:10]=[C:11]3[CH:16]=[CH:15][CH:14]=[CH:13][N:12]3[C:8]=2[C:6]2[CH:5]=[CH:4][N:3]=[C:2]([NH:39][C:38]3[CH:40]=[CH:41][C:42]([CH2:44][CH2:45][N:46]4[CH2:47][CH2:48][N:49]([CH3:52])[CH2:50][CH2:51]4)=[CH:43][C:37]=3[O:36][CH2:34][CH3:35])[N:7]=2)[CH:18]=1
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7

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HCID 6101p-Toluenesulfonic acidHCID 10942334Sodium MethoxideHCID 594528212-(Ethyloxy)-4-[2-(4-methyl-1-piperazinyl)ethyl]anilineHCID 594529693-[3-(2-chloro-4-pyrimidinyl)imidazo[1,2-a]pyridin-2-yl]-N-(2,6-difluorophenyl)-benzamide

생성물 1

HCID 59452973N-(2,6-difluorophenyl)-3-{3-[2-({2-(ethyloxy)-4-[2-(4-methyl-1-piperazinyl)ethyl]-phenyl}amino)-4-pyrimidinyl]imidazo[1,2-a]pyridin-2-yl}benzamide
수율 56%

시약·촉매·용매 2

HCID 3776Isopropanol용매HCID 6344Dichloromethane용매

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온도
130 °C

실험 절차

3-[3-(2-Chloro-4-pyrimidinyl)imidazo[1,2-a]pyridin-2-yl]-N-(2,6-difluorophenyl)-benzamide (Intermediate Example 1) (100 mg, 0.22 mmol), 2-(ethyloxy)-4-[2-(4-methyl-1-piperazinyl)ethyl]aniline (Example 146, step D) (46 mg, 0.17 mmol), and p-toluenesulfonic acid (99 mg, 0.52 mmol) were weighed into a 20 mL vial. 7 mL of iPrOH was added and the mixture was heated to 130° C. for 72 h. The mixture was transferred to a 50 mL round bottom and neutralized with 2 mL of 0.5 N sodium methoxide. The solvent was rotovaped down. The residue was taken up in 10 mL of DCM. 1 g of silica gel was added. The solvent was rotovaped down and the pre-adsorbed solids were purified by flash chromatography to give the title compound (67 mg, 0.09 mmol, 56%); 1H NMR (400 MHz, DMSO-d6) δ ppm 10.21 (s, 1H), 9.34 (s, 1H), 8.40 (s, 1H), 8.34 (s, 1H), 8.27 (s, 1H), 8.02 (s, 1H), 7.80 (s, 1H), 7.73 (s, 1H), 7.65 (s, 1H), 7.59 (s, 1H), 7.46 (s, 1H), 7.38 (s, 1H), 7.18 (s, 2H), 6.96 (s, 2H), 6.72 (s, 1H), 6.46 (s, 1H), 4.02-4.11 (m, 2H), 2.60-2.71 (m, 2H), 2.25-2.32 (m, 10H), 2.12 (s, 3H), 1.26 (s, 3H). MS (ESI): 689 [M+H]+.

후처리

  1. addition1 g of silica gel was added
  2. customthe pre-adsorbed solids were purified by flash chromatography

출처 및 근거

ORD 기록
ord-31269d6f804e4233ab0f6bbdce39b79f
출처 데이터셋
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08093239B2

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