Potassium Phosphate, Tribasic → 3-(4-(2-chloropyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopropylpropanenitrile

HRID 1876871Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1876871
[Cl:1][C:2]1[N:7]=[C:6](Cl)[CH:5]=[CH:4][N:3]=1.[CH:9]1([CH:12]([N:16]2[CH:20]=[C:19](B3OC(C)(C)C(C)(C)O3)[CH:18]=[N:17]2)[CH2:13][C:14]#[N:15])[CH2:11][CH2:10]1.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>O1CCOCC1.O.CCOC(C)=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>[Cl:1][C:2]1[N:7]=[C:6]([C:19]2[CH:18]=[N:17][N:16]([CH:12]([CH:9]3[CH2:11][CH2:10]3)[CH2:13][C:14]#[N:15])[CH:20]=2)[CH:5]=[CH:4][N:3]=1

Komponenten

8

Edukt 3

HCID 62657Potassium Phosphate, TribasicHCID 775312,4-DichloropyrimidineHCID 674580563-cyclopropyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile

Produkt 1

HCID 866372933-(4-(2-chloropyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopropylpropanenitrile

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 178418397HCID 178418397, VerbindungKatalysatorHCID 962WaterLösungsmittelHCID 8857Ethyl AcetateLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A mixture of 2,4-dichloropyrimidine (2.8 g, 0.019 mol), 3-cyclopropyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile (4.50 g, 0.0157 mol), tetrakis(triphenylphosphine)palladium (1.0 g, 0.9 mmol), and potassium phosphate (0.1 g, 0.047 mol) in 1,4-dioxane (50 mL) and water (5 mL) was heated at 100° C. overnight. After cooling to room temperature, the mixture was diluted with EtOAc, washed with water, brine, dried over MgSO4, and concentrated. The residue was purified on silica gel, eluting with 0 to 100% EtOAc in hexanes, to give the desired product as racemic mixture (3.08 g, 71.81%). LCMS (M+H) 274.3.

Aufarbeitung

  1. temperatureAfter cooling to room temperature
  2. washwashed with water, brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated
  5. customThe residue was purified on silica gel
  6. washeluting with 0 to 100% EtOAc in hexanes

Quellen und Nachweise

ORD-Eintrag
ord-79ac9d46908542dca8074d8397247aa4
Quelldatensatz
uspto-grants-2012_11
Patentnummer
US08309718B2

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