Buchwald–Hartwig amination: 8-Chloro-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepine → N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine
37% 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 | 8-Chloro-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepine | C₁₅H₁₅ClN₂O | |
| Reactant | 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)aniline | C₁₁H₁₃N₃O | |
| Reagent | Cesium carbonate | CCs₂O₃ | |
| Catalyst | 2-(Dicyclohexylphosphino)biphenyl | C₂₄H₃₁P | |
| Catalyst | Palladium (II) acetate | C₄H₈O₄Pd | |
| Solvent | 1,2-Dimethoxyethane | C₄H₁₀O₂ | |
| Product | N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine | C₂₆H₂₇N₅O₂ | 37.23% |
Conditions
- Temperature
- 100 °C
Yield
- 37% of N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine.
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.
- N-(4-(1H-imidazol-1-yl)phenyl)-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine41%
- 1-(8-(3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)phenylamino)-2-(pyridin-3-yl)-2,3-dihydropyrido[3,2-f][1,4]oxazepin-4(5H)-yl)ethanone35%
- (R)-N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-6-methyl-8-phenyl-5,6,7,8-tetrahydropyrimido[5,4-f][1,4]oxazepin-2-amine30%
- (S)-N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine28%
- N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-4-methyl-2-(pyridin-3-yl)-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine28%
- N-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]pyrimidin-2-amine19%
- 2-(2-(1,3-Dimethyl-1H-pyrazol-5-yl)-8-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenylamino)-2,3-dihydropyrido[3,2-f][1,4]oxazepin-4(5H)-yl)acetonitrile17%
- (R)-6-(2-fluoroethyl)-N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-8-phenyl-5,6,7,8-tetrahydropyrimido[5,4-f][1,4]oxazepin-2-amine15%
- 1-(2-(Isopropoxymethyl)-8-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenylamino)-2,3-dihydropyrido[3,2-f][1,4]oxazepin-4(5H)-yl)ethanone15%
- (R)-2-(8-(3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)phenylamino)-2-phenyl-2,3-dihydropyrido[3,2-f][1,4]oxazepin-4(5H)-yl)acetonitrile8%
- 2-(Isopropoxymethyl)-N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-4-methyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine5%
- 2-cyclopropyl-N-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl)-4-methyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepin-8-amine0%
Procedure
Copied from the source record, unedited
8-chloro-4-methyl-2-phenyl-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepine (60.0 mg, 0.22 mmol), 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)aniline (57.7 mg, 0.28 mmol), palladium(II) acetate (4.90 mg, 0.02 mmol), 2-(Dicyclohexylphosphino)biphenyl (7.65 mg, 0.02 mmol) and CS2CO3 (213 mg, 0.66 mmol) were weighed into a microwave vial. The vial was capped and flushed with argon. DME (4 mL) was added and the mixture was heated to 100°C in a microwave apparatus for 1 h. The cooled reaction mixture was diluted with dichloromethane and methanol, filtered through a plug of Celite and the solvents were evaporated. The residue was purified by HPLC to give 36 mg (37 % Yield) of the title product.
The source
This record comes from experimental reaction archive (ord-e759108cf109420c9b96a1936ea5e56d). Open the source and check it against what is on this page.
experimental reaction archive record ord-e759108cf109420c9b96a1936ea5e56d 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.
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