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Cesium fluoride → N-[6-[4-(phenylmethoxy)phenyl]-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl]butanamide

HRID 497607
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HRID 497607 반응식
[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][C:12](B(O)O)=[CH:11][CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[F-].[Cs+].Cl[C:21]1[CH:29]=[C:28]2[C:24]([C:25]([NH:38][C:39](=[O:43])[CH2:40][CH2:41][CH3:42])=[N:26][N:27]2[CH2:30][O:31][CH2:32][CH2:33][Si:34]([CH3:37])([CH3:36])[CH3:35])=[CH:23][CH:22]=1>O1CCOCC1.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[C:2]1([CH2:1][O:8][C:9]2[CH:14]=[CH:13][C:12]([C:21]3[CH:29]=[C:28]4[C:24]([C:25]([NH:38][C:39](=[O:43])[CH2:40][CH2:41][CH3:42])=[N:26][N:27]4[CH2:30][O:31][CH2:32][CH2:33][Si:34]([CH3:37])([CH3:35])[CH3:36])=[CH:23][CH:22]=3)=[CH:11][CH:10]=2)[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 25953Cesium fluorideHCID 27343144-Benzyloxy-phenylboronic acidHCID 10406687N-[6-chloro-1-[[2-(trimethylsilyl)ethoxy)methyl]-1H-indazol-3-yl)butanamide

생성물 1

HCID 10029506N-[6-[4-(phenylmethoxy)phenyl]-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl]butanamide수율 85.6%

시약·촉매·용매 2

HCID 167845
palladium(II) acetate
촉매
HCID 312751,4-Dioxane용매

반응 조건

온도
100 °C

실험 절차

930 mg of 4-benzyloxyphenylboronic acid, 1.24 g of caesium fluoride, 13 mg of palladium acetate and finally 31 mg of 2-dicyclohexylphosphine-2-(N,N-dimethylamino)biphenyl are added to 1 g of N-[6-chloro-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl]butanamide, described previously in Example 25, in 30 cm3 of dioxane. The mixture is then heated at about 100° C. for 5 hours. The mixture is then allowed to return to about 19° C. and is then filtered through a sinter funnel and evaporated under reduced pressure (2 kPa; 50° C.). The residue is rinsed with 50 cm3 of tetrahydrofuran and 50 cm3 of distilled water. The resulting residue is taken up in 150 cm3 of ethyl acetate, 50 cm3 of distilled water and 50 cm3 of saturated aqueous sodium chloride solution. The organic phase is dried over magnesium sulphate, filtered through a sinter funnel and then evaporated under reduced pressure under the conditions described previously. The residue is purified by chromatography under an argon pressure of 50 kPa, on a column of silica gel (particle size 40-60 μm; diameter 3.5 cm), eluting with a cyclohexane/ethyl acetate mixture (80/20 by volume) and collecting 35 cm3 fractions. The fractions containing the expected product are combined and evaporated under reduced pressure (2 kPa; 50° C.). 1.2 g of N-[6-[4-(phenylmethoxy)phenyl]-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl]butanamide are thus obtained in the form of an orange-coloured oil.

후처리

  1. customto return to about 19° C.
  2. filtrationis then filtered through a sinter funnel
  3. customevaporated under reduced pressure (2 kPa; 50° C.)
  4. washThe residue is rinsed with 50 cm3 of tetrahydrofuran and 50 cm3 of distilled water
  5. dry with materialThe organic phase is dried over magnesium sulphate
  6. filtrationfiltered through a sinter funnel
  7. customevaporated under reduced pressure under the conditions
  8. customThe residue is purified by chromatography under an argon pressure of 50 kPa
  9. washon a column of silica gel (particle size 40-60 μm; diameter 3.5 cm), eluting with a cyclohexane/ethyl acetate mixture (80/20 by volume)
  10. customcollecting 35 cm3 fractions
  11. additionThe fractions containing the expected product
  12. customevaporated under reduced pressure (2 kPa; 50° C.)

출처 및 근거

ORD 기록
ord-8dfd0f24e0794919920875c3903e9163
출처 데이터셋
uspto-grants-2005_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06949579B2

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