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Potassium Phosphate, Tribasic → tert-Butyl 4-{4-carbamoyl-3-[(2-fluoropyridin-4-yl)amino]-1H-pyrazol-1-yl}-4-(cyanomethyl)piperidine-1-carboxylate

HRID 521215
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HRID 521215 반응식
[NH2:1][C:2]1[C:6]([C:7](=[O:9])[NH2:8])=[CH:5][N:4]([C:10]2([CH2:23][C:24]#[N:25])[CH2:15][CH2:14][N:13]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:12][CH2:11]2)[N:3]=1.Br[C:27]1[CH:32]=[CH:31][N:30]=[C:29]([F:33])[CH:28]=1.[O-]P([O-])([O-])=O.[K+].[K+].[K+].CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C>CCOC(C)=O.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].O1CCOCC1>[C:7]([C:6]1[C:2]([NH:1][C:27]2[CH:32]=[CH:31][N:30]=[C:29]([F:33])[CH:28]=2)=[N:3][N:4]([C:10]2([CH2:23][C:24]#[N:25])[CH2:15][CH2:14][N:13]([C:16]([O:18][C:19]([CH3:20])([CH3:21])[CH3:22])=[O:17])[CH2:12][CH2:11]2)[CH:5]=1)(=[O:9])[NH2:8]
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참가 물질

8

반응물 4

HCID 62657Potassium Phosphate, TribasicHCID 27628514-Bromo-2-fluoropyridineHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 86729368tert-Butyl 4-(3-amino-4-carbamoyl-1H-pyrazol-1-yl)-4-(cyanomethyl)piperidine-1-carboxylate2회

생성물 1

HCID 71536249tert-Butyl 4-{4-carbamoyl-3-[(2-fluoropyridin-4-yl)amino]-1H-pyrazol-1-yl}-4-(cyanomethyl)piperidine-1-carboxylate

시약·촉매·용매 3

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

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온도
95 °C

실험 절차

To a microwave vial was added tert-butyl 4-(3-amino-4-carbamoyl-1H-pyrazol-1-yl)-4-(cyanomethyl)piperidine-1-carboxylate (Intermediate 35-1) (5.0 g, 14 mmol), 4-bromo-2-fluoropyridine (2.5 g, 14 mmol), K3PO4 (6.1 g, 29 mmol), and dioxane (72 mL). The mixture was degassed with bubbling argon for 5 minutes. Pd2(dba)3 (0.7 g, 0.7 mmol) and X-Phos (1.0 g, 2.2 mmol) were then added, and the vial was sealed and heated to 95° C. for 5 hours. The mixture was then cooled to ambient temperature, diluted with EtOAc, filtered through celite, and eluted with EtOAc. The filtrate was concentrated in vacuo, and the resulting yellow oil was purified by MPLC on silica gel (using a gradient elution of 50-100% EtOAc/hexanes) to afford the title compound, Example #9-1.

후처리

  1. customThe mixture was degassed with bubbling argon for 5 minutes
  2. customthe vial was sealed
  3. temperatureThe mixture was then cooled to ambient temperature
  4. filtrationfiltered through celite
  5. washeluted with EtOAc
  6. concentrationThe filtrate was concentrated in vacuo
  7. customthe resulting yellow oil was purified by MPLC on silica gel (
  8. washa gradient elution of 50-100% EtOAc/hexanes)

출처 및 근거

ORD 기록
ord-93d2efe1636746b78344f76323a87168
출처 데이터셋
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09328099B2

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