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Tricyclohexylphosphine → 4-[4'-(Ethylsulfonyl)-6-fluorobiphenyl-3-yl]-7-(propan-2-yl)-7H-imidazo[4,5-c]pyridazine

HRID 1845987
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HRID 1845987 반응식
[CH2:1]([S:3]([C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:17]([F:18])=[CH:16][CH:15]=[C:14](B(O)O)[CH:13]=2)=[CH:8][CH:7]=1)(=[O:5])=[O:4])[CH3:2].Cl[C:23]1[C:24]2[N:31]=[CH:30][N:29]([CH:32]([CH3:34])[CH3:33])[C:25]=2[N:26]=[N:27][CH:28]=1.P([O-])([O-])[O-].[K+].[K+].[K+].C1(P(C2CCCCC2)C2CCCCC2)CCCCC1>O1CCOCC1.O>[CH2:1]([S:3]([C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:17]([F:18])=[CH:16][CH:15]=[C:14]([C:23]3[C:24]4[N:31]=[CH:30][N:29]([CH:32]([CH3:34])[CH3:33])[C:25]=4[N:26]=[N:27][CH:28]=3)[CH:13]=2)=[CH:8][CH:7]=1)(=[O:5])=[O:4])[CH3:2]
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참가 물질

7

반응물 4

HCID 75806TricyclohexylphosphineHCID 9837043phosphorous acid, tripotassium saltHCID 86723213(4'-(Ethylsulfonyl)-6-fluoro-[1,1'-biphenyl]-3-yl)boronic acidHCID 867232144-chloro-7-isopropyl-7H-imidazo[4,5-c]pyridazine

생성물 1

HCID 867232124-[4'-(Ethylsulfonyl)-6-fluorobiphenyl-3-yl]-7-(propan-2-yl)-7H-imidazo[4,5-c]pyridazine수율 27%

시약·촉매·용매 2

HCID 962Water용매HCID 312751,4-Dioxane용매

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온도
100 °C

실험 절차

A stirred solution of 4′-ethylsulfonyl-6-fluorobiphenyl-3-yl-boronic acid (Preparation 65, 30 mg, 0.097 mmol), 4-chloro-7-isopropyl-7H-imidazo[4,5-c]pyridazine (Preparation 6, 15 mg, 0.077 mmol) and potassium phosphite (33 mg, 0.154 mmol) in dioxane (3 mL) and water (0.7 mL) was degassed with argon for 10 minutes followed by the addition of tricyclohexylphosphine (1.72 mg, 0.006 mmol) and tris(dibenzylideneacetone)palladium(0) (2.82 mg, 0.003 mmol). The resulting mixture was heated at 100° C. for 16 hours. The reaction mixture was filtered to remove inorganics and the filtrate was concentrated in vacuo to remove the volatiles. Purification of the crude residue by preparative TLC eluting with 2% MeOH in DCM afforded the title compound as off white solid in 27% yield, 9 mg.

후처리

  1. filtrationThe reaction mixture was filtered
  2. customto remove inorganics
  3. concentrationthe filtrate was concentrated in vacuo
  4. customto remove the volatiles
  5. customPurification of the crude residue by preparative TLC
  6. washeluting with 2% MeOH in DCM

출처 및 근거

ORD 기록
ord-53b8cb4a168b4f01accf7de5ad725fa9
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08952008B2

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