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Cesium carbonate → Methyl 4-(2-(4-((tert-butyldimethylsilyl)oxy)piperidin-1-yl)quinoline-4-carboxamido)-3,5-dimethylbenzoate

HRID 239979
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HRID 239979 반응식
Cl[C:2]1[CH:11]=[C:10]([C:12]([NH:14][C:15]2[C:24]([CH3:25])=[CH:23][C:18]([C:19]([O:21][CH3:22])=[O:20])=[CH:17][C:16]=2[CH3:26])=[O:13])[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]=1.[C:27]([Si:31]([CH3:40])([CH3:39])[O:32][CH:33]1[CH2:38][CH2:37][NH:36][CH2:35][CH2:34]1)([CH3:30])([CH3:29])[CH3:28].C([O-])([O-])=O.[Cs+].[Cs+].COC1C=CC=C(OC)C=1C1C=CC=CC=1P(C1CCCCC1)C1CCCCC1>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[Si:31]([O:32][CH:33]1[CH2:34][CH2:35][N:36]([C:2]2[CH:11]=[C:10]([C:12]([NH:14][C:15]3[C:24]([CH3:25])=[CH:23][C:18]([C:19]([O:21][CH3:22])=[O:20])=[CH:17][C:16]=3[CH3:26])=[O:13])[C:9]3[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=3)[N:3]=2)[CH2:37][CH2:38]1)([C:27]([CH3:30])([CH3:29])[CH3:28])([CH3:40])[CH3:39]
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참가 물질

7

반응물 4

HCID 10796Cesium carbonateHCID 112698722-Dicyclohexylphosphino-2',6'-dimethoxybiphenylHCID 114813284-((Tert-butyldimethylsilyl)oxy)piperidineHCID 86707363Methyl 4-[(2-chloroquinoline-4-carbonyl)amino]-3,5-dimethyl-benzoate

생성물 1

HCID 86707364Methyl 4-(2-(4-((tert-butyldimethylsilyl)oxy)piperidin-1-yl)quinoline-4-carboxamido)-3,5-dimethylbenzoate
수율 28.4%

시약·촉매·용매 2

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 312751,4-Dioxane용매

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온도
80 °C

실험 절차

To a solution of methyl 4-(2-chloroquinoline-4-carboxamido)-3,5-dimethylbenzoate, (0.50 g, 0.00135 mol), tert-butyl-dimethyl-(4-piperidyloxy)silane (0.32 g, 0.0015 mol, see preparation 3) and Cs2CO3 (1.77 g, 0.0054 mol) in 1,4-dioxane (5 ml) is added Pd2(dba)3 (0.124 g, 0.000135 mol) followed by S-Phos (0.060 g, 0.000135 mol). The reaction mixture is purged with nitrogen for 5 minutes and then stirred at 80° C. After 4 hours, the reaction is cooled to ambient temperature, filtered through Celite™, and washed with EtOAc. The organic layers are combined and dried over sodium sulfate, filtered, and concentrated under reduced pressure to afford the title compound (0.21 g, 28%). Mass spectrum (m/z): 548.2 (M+1).

후처리

  1. customThe reaction mixture is purged with nitrogen for 5 minutes
  2. temperaturethe reaction is cooled to ambient temperature
  3. filtrationfiltered through Celite™
  4. washwashed with EtOAc
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-d505c207e01e4e44ab8cfe8c9aeee98c
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08642768B2

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