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1,3-dimethyl-1H-pyrazol-4-amine → 2-[[2-[(1,3-dimethylpyrazol-4-yl)amino]-5-(trifluoromethyl)-4-pyridyl]amino]-N-methoxy-benzamide

HRID 74
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 74
CONC(=O)c1ccccc1Nc1cc(Cl)ncc1C(F)(F)F.Cc1nn(C)cc1N>C1CCCC1.CC(=O)O.CC(=O)O.CC(C1CCCC1P(C1CCCCC1)C1CCCCC1)P(C(C)(C)C)C(C)(C)C.COCCOC.O=C([O-])[O-].[Cs+].[Cs+].[Fe].[Pd]>CONC(=O)c1ccccc1Nc1cc(Nc2cn(C)nc2C)ncc1C(F)(F)F
KomponentenReaktionsbedingungenVersuchsvorschriftQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 2

HCID 44310561,3-dimethyl-1H-pyrazol-4-amineHCID 1417316742-[[2-chloro-5-(trifluoromethyl)-4-pyridinyl]amino]-N-methoxybenzamide

Produkt 1

HCID 569514332-[[2-[(1,3-dimethylpyrazol-4-yl)amino]-5-(trifluoromethyl)-4-pyridyl]amino]-N-methoxy-benzamideAusbeute 11,18 %

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 10796Cesium carbonateReagenz
HCID 4144353
Palladium (II) acetate
Katalysator
HCID 144543273(R)-(-)-1-[(S)-2-(Dicyclohexylphosphino)ferrocenyl]ethyldi-t-butylphosphine;Ferrocene, 1-[(1R)-1-[bis(1,1-dimethylethyl)phosphino]ethyl]-2-(dicyclohexylphosphino)-, (2R)-Katalysator
HCID 80711,2-DimethoxyethaneLösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

Palladium(II) acetate (7.79 mg, 0.03 mmol), (R)-(-)-1-[(S)-2-(Dicyclohexylphosphino)ferrocenyl]ethyldi-t-butylphosphine (19.46 mg, 0.03 mmol), Cesium carbonate (0.032 mL, 0.40 mmol), 1,3-dimethyl-1H-pyrazol-4-amine (38.6 mg, 0.35 mmol) and 2-(2-chloro-5-(trifluoromethyl)pyridin-4-ylamino)-N-methoxybenzamide (100 mg, 0.29 mmol) were suspended in DME (2.5 mL) and sealed into a microwave tube. The reaction was heated to 150 °C for 30 minutes in the microwave reactor and cooled to RT. The crude product was purified by ion exchange chromatography, using an SCX column. The desired product was eluted from the column using 7M NH3/MeOH and pure fractions were evaporated to dryness to afford crude product as a orange gum. The sample was given to the purification group to be purified by preparative HPLC. Fractions containing the desired compound were evaporated to dryness to afford 2-(2-(1,3-dimethyl-1H-pyrazol-4-ylamino)-5-(trifluoromethyl)pyridin-4-ylamino)-N-methoxybenzamide (13.60 mg, 11.18 %) as a tan gum. The sample was not pure enough to register so will be re-made.

Quellen und Nachweise

ORD-Eintrag
ord-f86ba050900b4317a90d58cd76e4f1c2
Quelldatensatz
750 AstraZeneca ELN dataset
Originallink
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