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

HRID 497623
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HRID 497623 반응식
[F:1][C:2]([F:14])([F:13])[O:3][C:4]1[CH:9]=[CH:8][C:7](B(O)O)=[CH:6][CH:5]=1.[F-].[Cs+].Cl[C:18]1[CH:26]=[C:25]2[C:21]([C:22]([NH:35][C:36](=[O:40])[CH2:37][CH2:38][CH3:39])=[N:23][N:24]2[CH2:27][O:28][CH2:29][CH2:30][Si:31]([CH3:34])([CH3:33])[CH3:32])=[CH:20][CH:19]=1>O1CCOCC1.C(OCC)(=O)C.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[F:1][C:2]([F:14])([F:13])[O:3][C:4]1[CH:9]=[CH:8][C:7]([C:18]2[CH:26]=[C:25]3[C:21]([C:22]([NH:35][C:36](=[O:40])[CH2:37][CH2:38][CH3:39])=[N:23][N:24]3[CH2:27][O:28][CH2:29][CH2:30][Si:31]([CH3:34])([CH3:32])[CH3:33])=[CH:20][CH:19]=2)=[CH:6][CH:5]=1
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참가 물질

7

반응물 3

HCID 25953Cesium fluorideHCID 27343864-(Trifluoromethoxy)phenylboronic acidHCID 10406687N-[6-chloro-1-[[2-(trimethylsilyl)ethoxy)methyl]-1H-indazol-3-yl)butanamide

생성물 1

HCID 22319666N-[6-[4-(trifluoromethoxy)phenyl]-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl]butanamide수율 74.5%

시약·촉매·용매 3

HCID 167845
palladium(II) acetate
촉매
HCID 8857Ethyl Acetate용매
HCID 312751,4-Dioxane용매

반응 조건

온도
102 °C

실험 절차

840 mg of 4-trifluoromethoxyphenylboronic acid, 1.24 g of caesium fluoride, 13.5 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 reaction medium is then heated at about 102° C. for 20 hours and allowed to return to room temperature, and is diluted with 75 cm3 of ethyl acetate, filtered through a sinter funnel packed with Celite and concentrated to dryness under reduced pressure (2 kPa; 50° C.). The work-up and the purification are performed by analogy with Example 41 described previously. 1 g of N-[6-[4-(trifluoromethoxy)phenyl]-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl]butanamide is thus obtained in the form of a yellow oil.

후처리

  1. customto return to room temperature
  2. filtrationfiltered through a sinter funnel
  3. concentrationconcentrated to dryness under reduced pressure (2 kPa; 50° C.)
  4. customThe work-up and the purification

출처 및 근거

ORD 기록
ord-a9c77732516c4444979652d2861aa9db
출처 데이터셋
uspto-grants-2005_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06949579B2

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