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Diethyl Ether → 3-(2-anilinopyrimidin-4-yl)-N-cyclopentyl-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridin-7-amine

HRID 1373397
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HRID 1373397 반응식
[CH:1]1([NH:6][C:7]2[N:12]3[N:13]=[C:14]([C:23]4[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=4)[C:15]([C:16](=O)/[CH:17]=[CH:18]/N(C)C)=[C:11]3[CH:10]=[CH:9][CH:8]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.[N+]([O-])([O-])=O.[C:34]1([NH:40][C:41]([NH2:43])=[NH2+:42])[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1.C(=O)([O-])[O-].[K+].[K+].CCOCC>CN(C)C=O.O>[NH:40]([C:41]1[N:43]=[C:16]([C:15]2[C:14]([C:23]3[CH:24]=[CH:25][C:26]([F:29])=[CH:27][CH:28]=3)=[N:13][N:12]3[C:7]([NH:6][CH:1]4[CH2:2][CH2:3][CH2:4][CH2:5]4)=[CH:8][CH:9]=[CH:10][C:11]=23)[CH:17]=[CH:18][N:42]=1)[C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1
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참가 물질

7

반응물 4

HCID 3283Diethyl EtherHCID 11430Potassium CarbonateHCID 11372773(2E)-1-[7-(cyclopentylamino)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-oneHCID 178418786HCID 178418786, 화합물

생성물 1

HCID 52757013-(2-anilinopyrimidin-4-yl)-N-cyclopentyl-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridin-7-amine

시약·촉매·용매 2

HCID 962Water용매HCID 6228Dimethylformamide용매

반응 조건

온도
140 °C

실험 절차

To a solution of (2E)-1-[7-(cyclopentylamino)-2-(4-fluorophenyl)pyrazolo[1,5-α]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one (100 mg, 0.25 mmol) in N,N-dimethylformamide (5 mL) was added N-phenylguanidinium nitrate (252 mg, 1.27 mmol) and potassium carbonate (175 mg, 1.27 mmol). The suspension was heated at 140° C. (bath temperature) for 21 hours. The mixture was cooled to room temperature, ether was added followed by water. The organic layer was washed with brine. The aqueous layer was extracted with ether and the combined organics were dried over magnesium sulfate. Filtration and concentration followed by flash chromatography (2:1 hexanes-ethyl acetate) provided 3-(2-anilino-4-pyrimidinyl)-N-cyclopentyl-2-(4-fluorophenyl)pyrazolo[1,5-α]pyridin-7-amine which was recrystallized from ether/hexanes (90 mg, 76%) to give a white crystalline solid. 1H NMR (CDCl3): δ 8.15 (d, 1 H), 7.69–7.59 (m, 5 H), 7.32–7.27 (m, 3 H), 7.18–7.13 (m, 3 H), 7.02 (t, 1 H), 6.49 (d, 1 H), 6.06–6.01 (m, 2 H), 4.01 (m, 1 H), 2.20–2.10 (m, 2 H), 1.86–1.64 (m, 6 H); 13C NMR (CDCl3): δ 163.20 (d, JCF=246.6 Hz), 161.55, 160.11, 156.76, 152.27, 142.72, 141.15, 139.74, 131.47 (d, JCF=8.3 Hz), 129.72 (d, JCF=3.4 Hz), 128.82, 128.66, 122.28, 119.52, 115.60 (d, JCF=21.3 Hz), 110.83, 106.91, 105.15, 90.34, 53.86, 33.32, 24.05; MS m/z 465 (M+1).

후처리

  1. temperatureThe mixture was cooled to room temperature
  2. washThe organic layer was washed with brine
  3. extractionThe aqueous layer was extracted with ether
  4. dry with materialthe combined organics were dried over magnesium sulfate
  5. filtrationFiltration and concentration

출처 및 근거

ORD 기록
ord-8f8fdd99d5094949acae264c3a1c2dc5
출처 데이터셋
uspto-grants-2007_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07160897B2

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