Buchwald–Hartwig amination, record ord-f86ba050900b4317a90d58cd76e4f1c2
One recorded run of this reaction. Below is what the source recorded, and nothing added to it.
What was in the flask
| Role | Species | Formula | Yield |
|---|---|---|---|
| Reactant | 2-[[2-chloro-5-(trifluoromethyl)-4-pyridinyl]amino]-N-methoxybenzamide | C₁₄H₁₁ClF₃N₃O₂ | |
| Reactant | 1,3-dimethyl-1H-pyrazol-4-amine | C₅H₉N₃ | |
| Reagent | Cesium carbonate | CCs₂O₃ | |
| Catalyst | (R)-(-)-1-[(S)-2-(Dicyclohexylphosphino)ferrocenyl]ethyldi-t-butylphosphine;Ferrocene, 1-[(1R)-1-[bis(1,1-dimethylethyl)phosphino]ethyl]-2-(dicyclohexylphosphino)-, (2R)- | C₃₂H₆₂FeP₂ | |
| Catalyst | Palladium (II) acetate | C₄H₈O₄Pd | |
| Solvent | 1,2-Dimethoxyethane | C₄H₁₀O₂ | |
| Product | 2-[[2-[(1,3-dimethylpyrazol-4-yl)amino]-5-(trifluoromethyl)-4-pyridyl]amino]-N-methoxy-benzamide | C₁₉H₁₉F₃N₆O₂ | 11.18% |
Conditions
- Temperature
- 150 °C
Yield
- 11% of 2-[[2-[(1,3-dimethylpyrazol-4-yl)amino]-5-(trifluoromethyl)-4-pyridyl]amino]-N-methoxy-benzamide.
Procedure
Copied from the source record, unedited
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
The source
This record comes from experimental reaction archive (ord-f86ba050900b4317a90d58cd76e4f1c2). Open the source and check it against what is on this page.
experimental reaction archive record ord-f86ba050900b4317a90d58cd76e4f1c2 from dataset "750 AstraZeneca ELN dataset" (url: https://chemrxiv.org/engage/chemrxiv/article-details/60c9e3f37792a23bfdb2d471). No atom mapping is provided by the source.
How to read this record
This is one experiment, not a rule. It says that on one occasion these species were combined under these conditions and this came out. It does not say the reaction will give the same result on your substrate, and nothing on the page has been generalised into a claim that it would.
The pathway is a separate question, kept on separate pages. A mechanism here is the canonical arrow pushing for a class, run on real structures and labelled rule-derived. It is not evidence, and this record is not a mechanism.