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

HRID 1485569
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HRID 1485569 반응식
Cl[C:2]1[CH:3]=[CH:4][C:5]2[N:6]=[CH:7][N:8]=[C:9]([NH:12][C:13]3[C:14]([CH3:19])=[N:15][O:16][C:17]=3[CH3:18])[C:10]=2[N:11]=1.[Cl:20][C:21]1[C:26]([NH:27][S:28]([C:31]2[CH:36]=[CH:35][C:34]([F:37])=[CH:33][C:32]=2[F:38])(=[O:30])=[O:29])=[CH:25][C:24](B2OC(C)(C)C(C)(C)O2)=[CH:23][N:22]=1.C(=O)(O)[O-].[Na+]>O1CCOCC1>[Cl:20][C:21]1[C:26]([NH:27][S:28]([C:31]2[CH:36]=[CH:35][C:34]([F:37])=[CH:33][C:32]=2[F:38])(=[O:30])=[O:29])=[CH:25][C:24]([C:2]2[CH:3]=[CH:4][C:5]3[N:6]=[CH:7][N:8]=[C:9]([NH:12][C:13]4[C:14]([CH3:19])=[N:15][O:16][C:17]=4[CH3:18])[C:10]=3[N:11]=2)=[CH:23][N:22]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 516892Sodium BicarbonateHCID 866710766-chloro-N-(3,5-dimethyl-4-isoxazolyl)-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 66558473N-(2-chloro-5-(4-(3,5-dimethylisoxazol-4-ylamino)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)-2,4-difluorobenzenesulfonamide수율 27%

시약·촉매·용매 1

HCID 312751,4-Dioxane용매

실험 절차

A mixture of N-(6-chloropyrido[3,2-d]pyrimidin-4-yl)-3,5-dimethylisoxazol-4-amine (Intermediate 21) (0.040 g, 0.145 mmol), N-(2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-yl)-2,4-difluorobenzenesulfonamide (Intermediate 3) (0.069 g, 0.160 mmol), PdCl2(dppf)-CH2Cl2Adduct (0.012 g, 0.015 μmol) and 1 N aq. sodium bicarbonate (0.290 ml, 0.290 mmol) in dioxane (1.40 ml) subjected to microwave irradiation for 1 hour at 110° C. 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 (Hex:EtOAc=1:1) to give N-(2-chloro-5-(4-(3,5-dimethylisoxazol-4-ylamino)pyrido[3,2-d]pyrimidin-6-yl)pyridin-3-yl)-2,4-difluorobenzenesulfonamide (0.021 g, 27%) as a yellow solid. 1H-NMR (CDCl3, Varian 400 MHz) δ 2.30 (3H, s), 2.45 (3H, s), 6.89-7.05 (2H, m), 7.27 (1H, s), 7.79-7.92 (1H, m), 8.20 (1H, d, J=8.8 Hz), 8.26 (1H, s), 8.36 (1H, d, J=8.8 Hz), 8.73 (1H, s), 8.76 (1H, s), 8.89 (1H, s). m/z=544.1 [M+1]+.

후처리

  1. customirradiation for 1 hour at 110° C
  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 (Hex:EtOAc=1:1)

출처 및 근거

ORD 기록
ord-a4d51b14cbc141fba47a7f8f455314b0
출처 데이터셋
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09422298B2

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