Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 4-Chloroaniline | HCID 7812 | — |
| Reactant | 2,6-Dichloropyrazine | HCID 78504 | — |
| Reactant | Binap, (A+-)- | HCID 634876 | — |
| Reactant | Sodium t-butoxide | HCID 23676156 | — |
| Catalyst | palladium(II) acetate | HCID 167845 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | HCID 58026182 | HCID 58026182 | 19.5% |
Reaction Steps
A mixture of 2,6-dichloropyrazine (2.0 g, 13.4 mmol), 4-chloroaniline (1.88 g, 14.8 mmol) and sodium tert-butoxide (1.71 g, 17.6 mmol) in toluene (45 mL) were degassed with argon for 20 minutes. (±)-2,2′-Bis(diphenylphosphino-)1,1′-binaphthalene ((±)-BINAP) (502 mg, 0.81 mmol) and palladium(II)-acetate (90.4 mg, 0.40 mmol) were added followed by degassing for 5 minutes. The reaction mixture was stirred at 100° C. over night. The mixture was filtrated and the filtrate evaporated. Flash chromatography (ethyl acetate/heptane as eluent) gave (4-chloro-phenyl)-(6-chloro-pyrazin-2-yl)-amine (628 mg, 18%) as a brown oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08415358B2 |
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| Source dataset | uspto-grants-2013_04 |
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| ORD ID | ord-55ed7aeafc214821830a1eefe03ba437 |
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| Source note | uspto-grants-2013_04 |
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