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Potassium Phosphate, Tribasic → 6-(1-methyl-1H-pyrazol-4-yl)-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine

HRID 1852958
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HRID 1852958 반응식
Cl[C:2]1[N:7]=[C:6]([C:8]2[CH:9]=[N:10][N:11]([CH2:13][O:14][CH2:15][CH2:16][Si:17]([CH3:20])([CH3:19])[CH3:18])[CH:12]=2)[N:5]=[C:4]([NH2:21])[CH:3]=1.[CH3:22][N:23]1[CH:27]=[C:26](B2OC(C)(C)C(C)(C)O2)[CH:25]=[N:24]1.[O-]P([O-])([O-])=O.[K+].[K+].[K+]>O1CCOCC1.O.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>[CH3:22][N:23]1[CH:27]=[C:26]([C:2]2[N:7]=[C:6]([C:8]3[CH:9]=[N:10][N:11]([CH2:13][O:14][CH2:15][CH2:16][Si:17]([CH3:20])([CH3:19])[CH3:18])[CH:12]=3)[N:5]=[C:4]([NH2:21])[CH:3]=2)[CH:25]=[N:24]1
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참가 물질

7

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HCID 62657Potassium Phosphate, TribasicHCID 27739871-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 866852946-chloro-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine

생성물 1

HCID 674585736-(1-methyl-1H-pyrazol-4-yl)-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine수율 54.7%

시약·촉매·용매 3

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 962Water용매
HCID 312751,4-Dioxane용매

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온도
100 °C

실험 절차

6-Chloro-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine (1.00 g, 3.07 mmol), 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (0.958 g, 4.60 mmol), K3PO4 (1.95 g, 9.21 mmol), and Pd(PPh3)4 (0.355 g, 0.307 mmol) were suspended in dioxane (15.3 mL) and H2O (0.829 mL). After de-gassing with nitrogen, the reaction mixture was heated to 100° C. overnight. After cooling, the reaction mixture was diluted in EtOAc and washed with water and brine. The organics were dried with MgSO4, filtered and concentrated down to an orange oil. Purification of the resulting crude material by silica chromatography using a gradient of 0-10% MeOH/EtOAc afforded 6-(1-methyl-1H-pyrazol-4-yl)-2-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazol-4-yl)pyrimidin-4-amine (0.623 g, 1.68 mmol, 54.7% yield) as a thick yellow oil. MS (apci) m/z=372.4 (M+H).

후처리

  1. customAfter de-gassing with nitrogen
  2. temperatureAfter cooling
  3. additionthe reaction mixture was diluted in EtOAc
  4. washwashed with water and brine
  5. dry with materialThe organics were dried with MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated down to an orange oil
  8. customPurification of the resulting crude material by silica chromatography

출처 및 근거

ORD 기록
ord-23d7feb8b26644a5a2986b8d4a830ea1
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08962596B2

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