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Sodium Bicarbonate → N-(2-chloro-5-(4-(tetrahydro-2H-pyran-4-ylamino)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)-2,4-difluorobenzenesulfonamide

HRID 1182975
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HRID 1182975 반응식
Cl[C:2]1[CH:3]=[CH:4][C:5]2[N:6]=[CH:7][N:8]=[C:9]([NH:12][CH:13]3[CH2:18][CH2:17][O:16][CH2:15][CH2:14]3)[C:10]=2[N:11]=1.[Cl:19][C:20]1[C:25]([NH:26][S:27]([C:30]2[CH:35]=[CH:34][C:33]([F:36])=[CH:32][C:31]=2[F:37])(=[O:29])=[O:28])=[CH:24][C:23](B2OC(C)(C)C(C)(C)O2)=[CH:22][N:21]=1.C(=O)(O)[O-].[Na+]>O1CCOCC1>[Cl:19][C:20]1[C:25]([NH:26][S:27]([C:30]2[CH:35]=[CH:34][C:33]([F:36])=[CH:32][C:31]=2[F:37])(=[O:29])=[O:28])=[CH:24][C:23]([C:2]2[CH:3]=[CH:4][C:5]3[N:6]=[CH:7][N:8]=[C:9]([NH:12][CH:13]4[CH2:18][CH2:17][O:16][CH2:15][CH2:14]4)[C:10]=3[N:11]=2)=[CH:22][N:21]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 516892Sodium BicarbonateHCID 866710726-chloro-N-(tetrahydro-2H-pyran-4-yl)-Pyrido[3,2-d]pyrimidin-4-amine2회HCID 86671080N-(2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)-2,4-difluorobenzenesulfonamide2회

생성물 1

HCID 66558383N-(2-chloro-5-(4-(tetrahydro-2H-pyran-4-ylamino)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)-2,4-difluorobenzenesulfonamide수율 29%

시약·촉매·용매

1
HCID 312751,4-Dioxane용매

실험 절차

A mixture of 6-chloro-N-(tetrahydro-2H-pyran-4-yl)pyrido[3,2-d]pyrimidin-4-amine (0.026 g, 0.098 mmol) (Intermediate 17), N-(2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-yl)-2,4-difluorobenzenesulfonamide (Intermediate 3) (0.051 g, 0.118 mmol), PdCl2(dppf)-CH2Cl2Adduct (0.802 mg, 0.982 μmol) and sodium bicarbonate (0.196 ml, 0.196 mmol) in dioxane (0.491 ml) was refluxed for 3 hours. After cooling to room temperature, the reaction mixture was filtered through Celite and washed with CH2Cl2. The filtrate was concentrated in vacuo. The residue was purified by column chromatography on SiO2 (only EtOAc) to give N-(2-chloro-5-(4-(tetrahydro-2H-pyran-4-ylamino)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)-2,4-difluorobenzenesulfonamide (0.015 g, 29%) as a white solid. 1H-NMR (CDCl3, Varian 400 MHz) δ 1.68-1.83 (2H, m), 2.13-2.20 (2H, m), 3.58-3.65 (2H, m), 4.05-4.12 (2H, m), 4.41-4.50 (1H, m), 6.94-7.02 (2H, m), 7.18 (1H, d, J=8.0 Hz), 7.84-7.90 (1H, m), 8.09 (1H, d, J=8.8 Hz), 8.24 (1H, d, J=8.4 Hz), 8.65 (1H, s), 8.74 (1H, d, J=2.0 Hz), 8.84 (1H, d, J=2.4 Hz). NH peak was not observed. m/z=533.4 [M+1]+.

후처리

  1. temperaturewas refluxed for 3 hours
  2. filtrationthe reaction mixture was filtered through Celite
  3. washwashed with CH2Cl2
  4. concentrationThe filtrate was concentrated in vacuo
  5. customThe residue was purified by column chromatography on SiO2 (only EtOAc)

출처 및 근거

ORD 기록
ord-3993dcd564a74d12b52aa420aaa668d9
출처 데이터셋
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08664230B2

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