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Sodium Carbonate → 7-Ethyl-4-(4'-(ethylsulfonyl)-2'-fluoro-6-methoxy-[1,1'-biphenyl]-3-yl)-7H-imidazo[4,5-c]pyridazine

HRID 1845991
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HRID 1845991 반응식
[CH2:1]([S:3]([C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:17]([O:18][CH3:19])=[CH:16][CH:15]=[C:14](B3OC(C)(C)C(C)(C)O3)[CH:13]=2)=[C:8]([F:29])[CH:7]=1)(=[O:5])=[O:4])[CH3:2].Cl[C:31]1[C:32]2[N:39]=[CH:38][N:37]([CH2:40][CH3:41])[C:33]=2[N:34]=[N:35][CH:36]=1.C(=O)([O-])[O-].[Na+].[Na+]>O1CCOCC1.O.[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[CH2:40]([N:37]1[C:33]2[N:34]=[N:35][CH:36]=[C:31]([C:14]3[CH:13]=[C:12]([C:9]4[CH:10]=[CH:11][C:6]([S:3]([CH2:1][CH3:2])(=[O:5])=[O:4])=[CH:7][C:8]=4[F:29])[C:17]([O:18][CH3:19])=[CH:16][CH:15]=3)[C:32]=2[N:39]=[CH:38]1)[CH3:41]
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참가 물질

7

반응물 3

HCID 10340Sodium CarbonateHCID 552967654-chloro-7-ethyl-7H-imidazo(4,5-c)pyridazineHCID 867232202-(4'-(Ethylsulfonyl)-2'-fluoro-6-methoxy-[1,1'-biphenyl]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

생성물 1

HCID 867232197-Ethyl-4-(4'-(ethylsulfonyl)-2'-fluoro-6-methoxy-[1,1'-biphenyl]-3-yl)-7H-imidazo[4,5-c]pyridazine수율 26%

시약·촉매·용매 3

HCID 11979704
Tetrakis(triphenylphosphine)palladium
촉매
HCID 962Water용매
HCID 312751,4-Dioxane용매

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온도
110 °C

실험 절차

To 2-(4′-(ethylsulfonyl)-2′-fluoro-6-methoxy-[1,1′-biphenyl]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (Preparation 69, 90 mg, 0.21 mmol) in dioxane (2.5 mL) and water (1 mL) was added 4-chloro-7-ethyl-7H-imidazo[4,5-c]pyridazine (Preparation 8, 40 mg, 0.21 mmol) and sodium carbonate (68 mg, 0.64 mmol). The reaction was degassed and tetrakis(triphenylphosphine) palladium(0) (25 mg, 0.02 mmol) was added. The reaction was further degassed and then heated to 110° C. for 2 hours and then cooled to room temperature. The reaction mixture was diluted with EtOAc (40 mL) was passed through celite and the solvent removed in vacuo. The crude material was purified by reverse phase column chromatography eluting with a gradient of 0.1% formic acid in MeCN/water. The resulting residue was dissolved in DMSO (1 mL) and purified using preparative HPLC to give the title compound as a colourless solid in 26% yield, 24 mg.

후처리

  1. customThe reaction was degassed
  2. customThe reaction was further degassed
  3. temperaturecooled to room temperature
  4. additionThe reaction mixture was diluted with EtOAc (40 mL)
  5. customthe solvent removed in vacuo
  6. customThe crude material was purified by reverse phase column chromatography
  7. washeluting with a gradient of 0.1% formic acid in MeCN/water
  8. dissolutionThe resulting residue was dissolved in DMSO (1 mL)
  9. custompurified

출처 및 근거

ORD 기록
ord-daa71901b4f54da2bee0c04c4dd804cc
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08952008B2

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