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Sodium Carbonate → tert-butyl 4-(4-{3-[3-({[(2,2,2-trifluoroethyl)amino]carbonyl}amino)phenyl]imidazo[1,2-b]pyridazin-7-yl}-1H-pyrazol-1-yl)piperidine-1-carboxylate

HRID 407004
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인쇄 미리보기

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HRID 407004 반응식
CC1(C)C(C)(C)OB([C:9]2[CH:10]=[N:11][N:12]([CH:14]3[CH2:19][CH2:18][N:17]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH2:16][CH2:15]3)[CH:13]=2)O1.Cl[C:29]1[CH:34]=[N:33][N:32]2[C:35]([C:38]3[CH:39]=[C:40]([NH:44][C:45]([NH:47][CH2:48][C:49]([F:52])([F:51])[F:50])=[O:46])[CH:41]=[CH:42][CH:43]=3)=[CH:36][N:37]=[C:31]2[CH:30]=1.C(=O)([O-])[O-].[Na+].[Na+]>O1CCOCC1.O.C(OCC)(=O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:52][C:49]([F:50])([F:51])[CH2:48][NH:47][C:45]([NH:44][C:40]1[CH:39]=[C:38]([C:35]2[N:32]3[N:33]=[CH:34][C:29]([C:9]4[CH:10]=[N:11][N:12]([CH:14]5[CH2:15][CH2:16][N:17]([C:20]([O:22][C:23]([CH3:24])([CH3:25])[CH3:26])=[O:21])[CH2:18][CH2:19]5)[CH:13]=4)=[CH:30][C:31]3=[N:37][CH:36]=2)[CH:43]=[CH:42][CH:41]=1)=[O:46]
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참가 물질

8

반응물 3

HCID 10340Sodium CarbonateHCID 45480279tert-butyl 4-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidine-1-carboxylateHCID 67980172N-[3-(7-chloroimidazo[1,2-b]pyridazin-3-yl)phenyl]-N'-(2,2,2-trifluoroethyl)urea

생성물 1

HCID 67980046tert-butyl 4-(4-{3-[3-({[(2,2,2-trifluoroethyl)amino]carbonyl}amino)phenyl]imidazo[1,2-b]pyridazin-7-yl}-1H-pyrazol-1-yl)piperidine-1-carboxylate수율 82.5%

시약·촉매·용매 4

HCID 178418397HCID 178418397, 화합물촉매HCID 962Water용매HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

반응 조건

온도
100 °C

실험 절차

A mixture of tert-butyl 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidine-1-carboxylate (0.830 g, 2.20 mmol, Combi-Block, Cat. No. FM-2957), N-[3-(7-chloroimidazo[1,2-b]pyridazin-3-yl)phenyl]-N′-(2,2,2-trifluoroethyl)urea (0.739 g, 2.00 mmol), tetrakis(triphenylphosphine)palladium(0) (116 mg, 0.100 mmol) and sodium carbonate (0.636 g, 6.00 mmol) in dioxane (15 mL) and water (5 mL) was degassed and recharged with nitrogen three times, and heated and stirred at 100° C. overnight. After cooling, the mixture was diluted with ethyl acetate, washed with water and brine. The organic layer was dried over MgSO4, filtered and concentrated under reduced pressure. The residue was purified by flash chromatography on a silica gel column with ethyl acetate in hexane (gradient: 0-50%) to afford the desired product (0.965 g, 82.5%). LCMS (M+H)+: m/z=585.2.

후처리

  1. temperatureheated
  2. temperatureAfter cooling
  3. washwashed with water and brine
  4. dry with materialThe organic layer was dried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by flash chromatography on a silica gel column with ethyl acetate in hexane (gradient: 0-50%)

출처 및 근거

ORD 기록
ord-a6a47ed9a7a5477ab61bf98021739ba4
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08754114B2

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