Buchwald–Hartwig amination: 3-Bromoanisole → Methyl 8-[1-(3-methoxyphenyl)pyrrolidin-2-yl]-2-morpholin-4-yl-4-oxochromene-6-carboxylate
56% yield, run at 100 °C, as recorded by experimental reaction archive. The written procedure is below.
The atoms, from reactants to products
What was in the flask
| Role | Species | Formula | Yield |
|---|---|---|---|
| Reactant | 3-Bromoanisole | C₇H₇BrO | |
| Reactant | methyl 2-morpholino-4-oxo-8-(pyrrolidin-2-yl)-4H-chromene-6-carboxylate | C₁₉H₂₂N₂O₅ | |
| Reagent | Cesium carbonate | CCs₂O₃ | |
| Catalyst | 1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine) | C₃₉H₃₂OP₂ | |
| Catalyst | Palladium (II) acetate | C₄H₈O₄Pd | |
| Solvent | 1,4-Dioxane | C₄H₈O₂ | |
| Product | Methyl 8-[1-(3-methoxyphenyl)pyrrolidin-2-yl]-2-morpholin-4-yl-4-oxochromene-6-carboxylate | C₂₆H₂₈N₂O₆ | 55.55% |
Conditions
- Temperature
- 100 °C
Yield
- 56% of Methyl 8-[1-(3-methoxyphenyl)pyrrolidin-2-yl]-2-morpholin-4-yl-4-oxochromene-6-carboxylate.
Other recorded runs with the same starting material
No other run in the library makes this product. These runs of the same class start from one of the same reactants, which is the nearest company this record has.
- Methyl 8-[1-(3-fluorophenyl)pyrrolidin-2-yl]-2-morpholin-4-yl-4-oxochromene-6-carboxylate71%
- methyl 8-(1-(3,5-difluorophenyl)pyrrolidin-2-yl)-2-morpholino-4-oxo-4H-chromene-6-carboxylate66%
- 1-(3-Methoxyphenyl)-2-methyl-6-(trifluoromethoxy)indole65%
- 1-(3-Methoxyphenyl)piperidine-4-carbonitrile28%
- 1-(3-Methoxyphenyl)piperidine-4-carboxamide0%
- methyl 8-(1-(3,5-difluorophenyl)pyrrolidin-2-yl)-2-morpholino-4-oxo-4H-chromene-6-carboxylate40%
Procedure
Copied from the source record, unedited
diacetoxypalladium (3.13 mg, 0.01 mmol) was added to a stirred mixture of methyl 2-morpholino-4-oxo-8-(pyrrolidin-2-yl)-4H-chromene-6-carboxylate (125 mg, 0.35 mmol), 1-bromo-3-methoxybenzene (0.049 ml, 0.38 mmol), (9,9-dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine) (17.15 mg, 0.03 mmol) and cesium carbonate (170 mg, 0.52 mmol) dissolved in 1,4-dioxane (2 ml). The resulting suspension was degased with argon and then stirred at 100 °C for 11 hours. The reaction mixture was allowed to cool to room temperature. The reaction mixture was quenched with water and extracted with dichloromethane (2 x 10 ml). The combined organic phases were dried over magnesium sulfate and concentrated to afford the crude product as a orange/yellow oil. The crude product was purified by flash chromatography
The source
This record comes from experimental reaction archive (ord-62d2a6fe53094d4f9d23ca6c92514364). Open the source and check it against what is on this page.
experimental reaction archive record ord-62d2a6fe53094d4f9d23ca6c92514364 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.
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