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Cesium carbonate → 7-(3-Methylpyridin-2-yl)-N-(5-(trifluoromethyl)pyrimidin-2-yl)-[1,8]naphthyridin-4-amine

HRID 1724877
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HRID 1724877 반응식
Cl[C:2]1[CH:11]=[CH:10][N:9]=[C:8]2[C:3]=1[CH:4]=[CH:5][C:6]([C:12]1[C:17]([CH3:18])=[CH:16][CH:15]=[CH:14][N:13]=1)=[N:7]2.[NH2:19][C:20]1[N:25]=[CH:24][C:23]([C:26]([F:29])([F:28])[F:27])=[CH:22][N:21]=1.CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH3:18][C:17]1[C:12]([C:6]2[N:7]=[C:8]3[C:3]([C:2]([NH:19][C:20]4[N:21]=[CH:22][C:23]([C:26]([F:29])([F:27])[F:28])=[CH:24][N:25]=4)=[CH:11][CH:10]=[N:9]3)=[CH:4][CH:5]=2)=[N:13][CH:14]=[CH:15][CH:16]=1
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참가 물질

7

반응물 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 152735745-(Trifluoromethyl)pyrimidin-2-amineHCID 575610685-Chloro-2-(3-methylpyridin-2-yl)-1,8-naphthyridine

생성물 1

HCID 575610537-(3-Methylpyridin-2-yl)-N-(5-(trifluoromethyl)pyrimidin-2-yl)-[1,8]naphthyridin-4-amine

시약·촉매·용매

2
HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 312751,4-Dioxane용매

실험 절차

Heat a mixture of 5-chloro-2-(3-methylpyridin-2-yl)-[1,8]naphthyridine (51 mg, 0.2 mmol), 2-amino-5-trifluoromethylpyrimidine (42.0 mg, 0.25 mmol), xantphos (11.6 mg, 0.02 mmol), Pd2(dba)3 (18.3 mg, 0.02 mmol) and Cs2CO3 (130 mg, 0.4 mmol) in dioxane (2.0 mL) at 100° C. for 20 hours. Cool the mixture, concentrate under vacuum, dilute with EtOAc/water (5.0 mL each), filter through celite, wash celite with EtOAc (2×5 mL) and dry the combined organic layers with MgSO4. Filter the dried extract and concentrate under vacuum to afford the crude product. Purify by column chromatography using EtOAc as eluent to afford the title compound as a yellow solid. 1H NMR (400 MHZ, DMSO-D6) δ 10.92 (s, 1H), 9.0 (m, 3H), 8.92 (d, 1H, J=1.8 Hz), 8.58 (d, 1H, J=1.0 Hz), 8.12 (m, 2H), 7.80(d, 1H, J=2.1 Hz), 7.41 (dd, 1H), 2.65 (s, 3H). MS=383.3 (M+H).

후처리

  1. temperatureHeat
  2. temperatureCool the mixture
  3. concentrationconcentrate under vacuum
  4. additiondilute with EtOAc/water (5.0 mL each)
  5. filtrationfilter through celite
  6. washwash celite with EtOAc (2×5 mL)
  7. dry with materialdry the combined organic layers with MgSO4
  8. filtrationFilter the dried
  9. extractionextract
  10. concentrationconcentrate under vacuum
  11. customto afford the crude product
  12. customPurify by column chromatography

출처 및 근거

ORD 기록
ord-e47c6db8b76e4a7fb3dee26fb1fe4610
출처 데이터셋
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07488740B2

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